Protesters create a corridor at a building's entrance presumably for police to leave after an attack in central Kiev, Ukraine, Saturday Jan. 25, 2014. New violence erupted in Ukraine's capital during the night as a large crowd attacked a government exposition and conference hall where police were stationed inside. Early Sunday, demonstrators were throwing firebombs into the Ukrainian House building and setting off fireworks, and police responded with tear gas. (AP Photo/Darko Vojinovic)

Protesters guard government building after an attack in central Kiev, Ukraine, Saturday Jan. 25, 2014. New violence erupted in Ukraine's capital during the night as a large crowd attacked a government exposition and conference hall where police were stationed inside. Early Sunday, demonstrators were throwing firebombs into the Ukrainian House building and setting off fireworks, and police responded with tear gas. (AP Photo/Darko Vojinovic)

Black smoke and fireballs rise during clashes between protesters and police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions - but a top opposition leader said nothing short of his resignation would do. (AP Photo/Sergei Grits)

A protester throws a Molotov cocktail onto a fire during clashes with police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions - but a top opposition leader said nothing short of his resignation would do. Hours after the president's comments, huge fireballs lit up the night sky in central Kiev and plumes of thick black smoke rose from burning tires at giant barricades erected by protesters. (AP Photo/Sergei Grits)

A protester uses a slingshot during clashes with police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions - but a top opposition leader said nothing short of his resignation would do. Hours after the president's comments, huge fireballs lit up the night sky in central Kiev and plumes of thick black smoke rose from burning tires at giant barricades erected by protesters. (AP Photo/Sergei Grits)

Black smoke and fireballs rise during clashes between protesters and police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions - but a top opposition leader said nothing short of his resignation would do. (AP Photo/Sergei Grits)

A protester throws a tire onto a fire during clashes with police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions - but a top opposition leader said nothing short of his resignation would do. Hours after the president's comments, huge fireballs lit up the night sky in central Kiev and plumes of thick black smoke rose from burning tires at giant barricades erected by protesters.(AP Photo/Sergei Grits)

Black smoke rise during clashes between protesters and police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions - but a top opposition leader said nothing short of his resignation would do. (AP Photo/Sergei Grits)

A protester throws a tire onto a fire during clashes with police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions - but a top opposition leader said nothing short of his resignation would do. Hours after the president's comments, huge fireballs lit up the night sky in central Kiev and plumes of thick black smoke rose from burning tires at giant barricades erected by protesters.(AP Photo/Sergei Grits)

A protester prepares to throw a tire onto a fire during clashes with police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions - but a top opposition leader said nothing short of his resignation would do. Hours after the president's comments, huge fireballs lit up the night sky in central Kiev and plumes of thick black smoke rose from burning tires at giant barricades erected by protesters.(AP Photo/Sergei Grits)

Protesters prepare to throw a tire and Molotov cocktails onto a fire during clashes with police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions - but a top opposition leader said nothing short of his resignation would do. Hours after the president's comments, huge fireballs lit up the night sky in central Kiev and plumes of thick black smoke rose from burning tires at giant barricades erected by protesters.(AP Photo/Sergei Grits)

Protesters clash with police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions - but a top opposition leader said nothing short of his resignation would do. Hours after the president's comments, huge fireballs lit up the night sky in central Kiev and plumes of thick black smoke rose from burning tires at giant barricades erected by protesters. (AP Photo/Sergei Grits)

Protesters clash with police in central Kiev, Ukraine, Saturday, Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions - but a top opposition leader said nothing short of his resignation would do. Hours after the president's comments, huge fireballs lit up the night sky in central Kiev and plumes of thick black smoke rose from burning tires at giant barricades erected by protesters. (AP Photo/Sergei Chuzavkov)

A protester stands behind the barricade in front of riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Darko Vojinovic)

Protesters confront with police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Darko Vojinovic)

A protester walks near burning tires following clashes with police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Darko Vojinovic)

Protesters confront with poliee amid black smoke in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Darko Vojinovic)

A protester stands amid black smoke during clashes with police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Darko Vojinovic)

A priest prays in front of the riot police as smoke billows from a burning barricade on Hrusevskoho-street in central Kiev Saturday Jan. 25. 2014. Ukraine's Interior Ministry is accusing protesters in Kiev of capturing two of its officers as rioting against President Viktor Yanukovych continues to engulf Ukraine. (AP Photo/LEHTIKUVA / Antti Aimo-Koivisto ) FINLAND OUT

Riot police stand as smoke billows from a burning barricade on Hrusevskoho-street in central Kiev Saturday Jan. 25. 2014. Ukraine's Interior Ministry is accusing protesters in Kiev of capturing two of its officers as rioting against President Viktor Yanukovych continues to engulf Ukraine. (AP Photo/LEHTIKUVA / Antti Aimo-Koivisto ) FINLAND OUT

Smoke from burning tyres rises as riot police guard a government district in central Kiev, Ukraine, Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

Riot police guard a government district in central Kiev, Ukraine, Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

Smoke from burning tyres rises as riot police guard a government district in central Kiev, Ukraine, Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

A protester throws a tire onto a fire during clashes with police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

A protester throws a tire onto a fire during clashes with police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

A protester prepares to throw a tire onto a fire during clashes with police in central Kiev, Ukraine, early Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

Protesters stand behind the barricade in front of riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

A protester walks amid black smoke during clashes with police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

A protester's wet clothes steam as he dries himself behind the burning barricade in front of riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

An Orthodox priest, right, prays as he stands between pro-European Union activists and police lines in central Kiev, Ukraine, Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

Protesters hold a Ukrainian flag on a barricade in front of riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Chuzavkov)

Protesters stand behind the barricade in front of riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Chuzavkov)

Protesters clash with police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Chuzavkov)

Protesters clash with police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Chuzavkov) (AP Photo/Sergei Chuzavkov)

Protesters protect themselves from water cannon during a clash with riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Protesters stand behind improvised shields in front of riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Chuzavkov)

Protesters stand behind the barricade in front of riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Chuzavkov)

Protesters stand behind the barricade in front of riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Chuzavkov)

Protesters protect themselves from water guns, as one of them throws a stone, during a clash with riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Smoke from burning tyres rises over Independence Square during clashes with police in central Kiev, Ukraine, Saturday Jan. 25, 2014. As riots spread from Ukraine's embattled capital to nearly half of the country, President Viktor Yanukovych promised Friday to reshuffle his government and make other concessions ? but a top opposition leader said nothing short of his resignation would do. Hours after the president's comments, huge fireballs lit up the night sky in central Kiev and plumes of thick black smoke rose from burning tires at giant barricades erected by protesters. (AP Photo/Darko Vojinovic)

A protester protect himself from water guns during a clash with riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

A protester protect himself from water guns during a clash with riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Protesters protect themselves from water guns during a clash with riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

A protester throws a Molotov cocktail towards riot police during a clash in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

A protester throws a Molotov cocktail towards riot police during a clash in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

A protester throws a Molotov cocktail towards riot police during a clash in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

A protester throws a stone towards riot police during a clash in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Riot police shoot water from water cannon against protesters during a clash in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Riot police shoot water from water cannon against protesters during a clash in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Protesters throw stones towards riot police during a clash in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Women kneel in front of riot police calling on them to join the protesters, prior to new clashes in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Using an electric saw and ax, a protester makes shields from steel drums in central Kiev, Ukraine, Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

Using an electric saw and ax, protesters make shields from steel drums in central Kiev, Ukraine, Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

Riot police block a street in front of barricades on a frosty -18 C day during a clash in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

A woman talks to riot police during a clash with protesters in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Using an electric saw and axes, protesters make shields from steel drums in central Kiev, Ukraine, Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

eUsing an electric saw and axe, protesters make shields from steel drums in central Kiev, Ukraine, Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Sergei Grits)

An Orthodox Christian priest prays in front of riot police near protesters' barricades in the frosty morning in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

An Orthodox Christian priest prays in front of riot police near protesters' barricades during a frosty morning in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

An Orthodox Christian priest prays in front of riot police near protesters' barricades of burning tyres on a frosty morning in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Protester throw Molotov cocktails at riot police during a clash in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of it's officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

A medical volunteer looks at a clash between protesters and riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

General view of the barricades during a clash between protesters and riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

A protester runs amidst fire during a clash with riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Protesters protect themselves from water guns during a clash with riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Protesters protect themselves from water guns during a clash with riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's embattled president is offering the country's premiership to one of the leaders of the opposition that has conducted two months of intensifying protests. A statement on President Viktor Yanukovych's website Saturday evening said he had offered the job to Arseniy Yatsenyuk. (AP Photo/Efrem Lukatsky)

Protesters throw tires onto a fire barricades during a clash with riot police in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

A protester throws a stone against riot police during a clash in central Kiev, Ukraine, Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Protesters throw Molotov cocktails at riot police during a clash in central Kiev, Ukraine, Saturday, Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Riot police shoot water from water cannon at protesters during a clash in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Riot police shoot water from a water cannon at protesters during a clash in central Kiev, Ukraine, Saturday Jan. 25, 2014. Ukraine's Interior Ministry has accused protesters in Kiev of capturing two of its officers as violent clashes have resumed in the capital and anti-government riots spread across Ukraine. (AP Photo/Efrem Lukatsky)

Protesters attack a government building in central Kiev, Ukraine, Saturday, Jan. 25, 2014. New violence erupted in Ukraine's capital during the night as a large crowd attacked a government exposition and conference hall where police were stationed inside. Early Sunday, demonstrators were throwing firebombs into the Ukrainian House building and setting off fireworks, and police responded with tear gas. (AP Photo/Darko Vojinovic)

Protesters attack a government building in central Kiev, Ukraine, Saturday Jan. 25, 2014. New violence erupted in Ukraine's capital during the night as a large crowd attacked a government exposition and conference hall where police were stationed inside. Early Sunday, demonstrators were throwing firebombs into the Ukrainian House building and setting off fireworks, and police responded with tear gas. (AP Photo/Darko Vojinovic)

Protesters attack a government building in central Kiev, Ukraine, Saturday, Jan. 25, 2014. New violence erupted in Ukraine's capital during the night as a large crowd attacked a government exposition and conference hall where police were stationed inside. (AP Photo/Darko Vojinovic)

Protesters attack a government building in central Kiev, Ukraine, Saturday, Jan. 25, 2014. New violence erupted in Ukraine's capital during the night as a large crowd attacked a government exposition and conference hall where police were stationed inside. Early Sunday, demonstrators were throwing firebombs into the Ukrainian House building and setting off fireworks, and police responded with tear gas. (AP Photo/Darko Vojinovic)

Protesters warm themself near a fire at a barricade around the regional administration building in Lviv, western Ukraine, on January 25, 2014. The anti-government protests in Ukraine today spread to the centre of the country as demonstrators sought to seize regional administration offices that have been occupied in half a dozen regions in the west. Demonstrators were still occupying regional adminstration buildings in Lviv and other key regions across the pro-EU west of Ukraine that they have seized in a major blow for President Viktor Yanukovych. But in a new development, the regional protests also spread to regions north and east of the capital Kiev in a sign the protest mood was spreading across the country. AFP PHOTO / YURIY DYACHYSHYN

A protester warms himself near a fire at a barricade around the regional administration building in Lviv, western Ukraine, on January 25, 2014. The anti-government protests in Ukraine today spread to the centre of the country as demonstrators sought to seize regional administration offices that have been occupied in half a dozen regions in the west. Demonstrators were still occupying regional adminstration buildings in Lviv and other key regions across the pro-EU west of Ukraine that they have seized in a major blow for President Viktor Yanukovych. But in a new development, the regional protests also spread to regions north and east of the capital Kiev in a sign the protest mood was spreading across the country. AFP PHOTO / YURIY DYACHYSHYN

A protester pours water on a barricade in front of the regional administration building in Lviv, western Ukraine, on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the centre of the country as demonstrators sought to seize regional administration offices that have been occupied in half a dozen regions in the west. Demonstrators were still occupying regional adminstration buildings in Lviv and other key regions across the pro-EU west of Ukraine that they have seized in a major blow for President Viktor Yanukovych. AFP PHOTO / YURIY DYACHYSHYN

Protestors hold a sign reading " Ukraine, Lithuania is with you" during the "Stretch out your hand to Ukraine" demonstration against the escalation of anti-government protests in Ukraine on January 25, 2014 in Vilnius. The protestors built a human chain between the European Commission Representation office in and the Ukraine Embassy in Lithuania. AFP PHOTO / PETRAS MALUKAS

Protestors hold a sign reading " Ukrainians, Lithuania is with you" during the "Stretch out your hand to Ukraine" demonstration against the escalation of anti-government protests in Ukraine on January 25, 2014 in Vilnius. The protestors built a human chain between the European Commission Representation office in and the Ukraine Embassy in Lithuania. AFP PHOTO / PETRAS MALUKAS

Handicapped Ukrainians hold placards reading "Will you shoot us too? Power is with the people" during a demonstration rally in the anti-government protesters camp in the center of Kiev on January 25, 2014. The anti-government protests in Ukraine on Saturday spread to the centre of the country as demonstrators sought to seize regional administration offices that have been occupied in half a dozen regions in the west. Demonstrators were still occupying regional adminstration buildings in Lviv and other key regions across the pro-EU west of Ukraine that they have seized in a major blow for President Viktor Yanukovych. But in a new development, the regional protests also spread to regions north and east of the capital Kiev in a sign the protest mood was spreading across the country. AFP PHOTO / GENYA SAVILOV

Handicapped Ukrainians hold placards reading "Will you shoot us too? Power is with the people" during a demonstration rally in the anti-government protesters camp in the center of Kiev on January 25, 2014. The anti-government protests in Ukraine on Saturday spread to the centre of the country as demonstrators sought to seize regional administration offices that have been occupied in half a dozen regions in the west. Demonstrators were still occupying regional adminstration buildings in Lviv and other key regions across the pro-EU west of Ukraine that they have seized in a major blow for President Viktor Yanukovych. But in a new development, the regional protests also spread to regions north and east of the capital Kiev in a sign the protest mood was spreading across the country. AFP PHOTO / GENYA SAVILOV

Handicapped Ukrainians hold placards reading "Will you shoot us too? Power is with the people" during a demonstration rally in the anti-government protesters camp in the center of Kiev on January 25, 2014. The anti-government protests in Ukraine on Saturday spread to the centre of the country as demonstrators sought to seize regional administration offices that have been occupied in half a dozen regions in the west. Demonstrators were still occupying regional adminstration buildings in Lviv and other key regions across the pro-EU west of Ukraine that they have seized in a major blow for President Viktor Yanukovych. But in a new development, the regional protests also spread to regions north and east of the capital Kiev in a sign the protest mood was spreading across the country. AFP PHOTO / GENYA SAVILOV

Anti-government protesters clash with the police in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / VASILY MAXIMOV

Anti-government protesters clash with the police in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / VASILY MAXIMOV

Anti-government protesters clash with the police in the center of Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / VASILY MAXIMOV

An anti-government protester paints a scene of fellow protesters clashing with riot police in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / VASILY MAXIMOV

An anti-government protester paints a scene of fellow protesters clashing with riot police in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / VASILY MAXIMOV

Anti-government protesters use a homemade slingshot to fire a stone during clashes with riot police in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / VASILY MAXIMOV

An anti-government protester clash with riot police in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / VASILY MAXIMOV

TOPSHOTS Protesters warm themself near a fire at a barricade around the regional administration building in Lviv, western Ukraine, on January 25, 2014. The anti-government protests in Ukraine today spread to the centre of the country as demonstrators sought to seize regional administration offices that have been occupied in half a dozen regions in the west. Demonstrators were still occupying regional adminstration buildings in Lviv and other key regions across the pro-EU west of Ukraine that they have seized in a major blow for President Viktor Yanukovych. But in a new development, the regional protests also spread to regions north and east of the capital Kiev in a sign the protest mood was spreading across the country. AFP PHOTO / YURIY DYACHYSHYN

TOPSHOTS An anti-government protester paints a scene of fellow protesters clashing with riot police in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / VASILY MAXIMOV

Anti-government protesters use a homemade slingshot to fire a stone during clashes with riot police in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / GENYA SAVILOV

Anti-government protesters use a homemade slingshot to fire a stone during clashes with riot police in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / GENYA SAVILOV

Anti-government protesters throw stones at riot police during clashes in Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / GENYA SAVILOV

Thousands of anti-government protesters occupy the flashpoint Grushevsky Street in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / GENYA SAVILOV

Thousands of anti-government protesters occupy the flashpoint Grushevsky Street in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / GENYA SAVILOV

Thousands of anti-government protesters occupy the flashpoint Grushevsky Street in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / GENYA SAVILOV

Anti-government protesters hold makeshift shields and batons in their camp on Independence Square in Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / GENYA SAVILOV

Anti-government protesters make makeshift shields from empty barrels in their camp on Krestschatik street, central Kiev, on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / GENYA SAVILOV

Anti-government protesters cover themselves under makeshift shields during clashes with police in Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / GENYA SAVILOV

A member of the Ukrainian embassy staff (C) talks to protesters rallying with banners and Ukrainian flags in sympathy with the anti-government protesters in Kiev outside the Ukrainian embassy in London on January 25, 2014. Over a hundred protesters gathered with anti-Yanukovych banners to demonstrate in sympathy with the anti Ukrainian-government protests in Kiev outside Ukraine's embassy in London. During the rally a member of the embassy staff identifying himself to an AFP photographer as "deputy" came out into the crowd with a mega-phone and spoke to the crowd in Ukrainian. In Ukraine President Viktor Yanukovych on Saturday held a new round of crisis talks with opposition leaders as fears grew of an impending crackdown on the thousands of protesters locked in a standoff with police in Kiev. AFP PHOTO / LEON NEAL

A member of the Ukrainian embassy staff (R) talks to protesters rallying with banners and Ukrainian flags in sympathy with the anti-government protesters in Kiev outside the Ukrainian embassy in London on January 25, 2014. Over a hundred protesters gathered with anti-Yanukovych banners to demonstrate in sympathy with the anti Ukrainian-government protests in Kiev outside Ukraine's embassy in London. During the rally a member of the embassy staff identifying himself to an AFP photographer as "deputy" came out into the crowd with a mega-phone and spoke to the crowd in Ukrainian. In Ukraine President Viktor Yanukovych on Saturday held a new round of crisis talks with opposition leaders as fears grew of an impending crackdown on the thousands of protesters locked in a standoff with police in Kiev. AFP PHOTO / LEON NEAL

A member of the Ukrainian embassy staff (C) talks to protesters rallying with banners and Ukrainian flags in sympathy with the anti-government protesters in Kiev outside the Ukrainian embassy in London on January 25, 2014. Over a hundred protesters gathered with anti-Yanukovych banners to demonstrate in sympathy with the anti Ukrainian-government protests in Kiev outside Ukraine's embassy in London. During the rally a member of the embassy staff identifying himself to an AFP photographer as "deputy" came out into the crowd with a mega-phone and spoke to the crowd in Ukrainian. In Ukraine President Viktor Yanukovych on Saturday held a new round of crisis talks with opposition leaders as fears grew of an impending crackdown on the thousands of protesters locked in a standoff with police in Kiev. AFP PHOTO / LEON NEAL

A member of the Ukrainian embassy staff (front C) faces and talks to protesters rallying with banners and Ukrainian flags in sympathy with the anti-government protesters in Kiev outside the Ukrainian embassy in London on January 25, 2014. Over a hundred protesters gathered with anti-Yanukovych banners to demonstrate in sympathy with the anti Ukrainian-government protests in Kiev outside Ukraine's embassy in London. During the rally a member of the embassy staff identifying himself to an AFP photographer as "deputy" came out into the crowd with a mega-phone and spoke to the crowd in Ukrainian. In Ukraine President Viktor Yanukovych on Saturday held a new round of crisis talks with opposition leaders as fears grew of an impending crackdown on the thousands of protesters locked in a standoff with police in Kiev. AFP PHOTO / LEON NEAL

TOPSHOTS Anti-government protesters use a homemade slingshot to fire a stone during clashes with riot police in central Kiev on January 25, 2014. The anti-government protests in Ukraine on January 25 spread to the north and east of the country as demonstrators sought to seize regional administration offices that have been occupied in over half a dozen regions in the west. AFP PHOTO / GENYA SAVILOV

Anti-government protesters occupy a barricade on the central Hrusevskoho street in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Anti-government protesters occupy a barricade on the central Hrusevskoho street in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Anti-government protesters occupy a barricade on the central Hrusevskoho street in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Priest Teodozi Ivashkiv takes part in the anti-government protests on Independence Square in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Priest Teodozi Ivashkiv takes part in the anti-government protests on Independence Square in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Priest Teodozi Ivashkiv takes part in the anti-government protests on Independence Square in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Riot police officers and firefighters attempt to extinguish fire at a barricade on the central Hrusevskoho street in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Protestors use a burnt car as a drum at a barricade on the central Hrusevskoho street in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

A protestor throws a stone towards the police at a barricade on the central Hrusevskoho street in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

A protestor throws a stone towards the police at a barricade on the central Hrusevskoho street in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

A protestor shows the rubber bullet that hit him and was used by the police at a barricade on the central Hrusevskoho street in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Protestors at a barricade on the central Hrusevskoho street in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

A protestor shows the rubber bullet that hit him and was used by the police at a barricade on the central Hrusevskoho street in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

A protestor shows the rubber bullet that hit him and was used by the police at a barricade on the central Hrusevskoho street in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Priest Teodozi Ivashkiv takes part in the anti-government protests on Independence Square in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Priest Teodozi Ivashkiv takes part in the anti-government protests on Independence Square in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Priest Teodozi Ivashkiv takes part in the anti-government protests on Independence Square in the Ukrainian capital Kiev on January 25, 2014. LEHTIKUVA / Antti Aimo-Koivisto *** FINLAND OUT. NO THIRD PARTY SALES. ***

Ukraine, Kiev, 25 janvier 2014. Mouvement pro-europeen en Ukraine. Face a face entre les pro-europeens et les services de police, a la barricade de la rue rue Grouchevski (pres de la place de l'Independance)

Ukraine, Kiev, 25 janvier 2014. Mouvement pro-europeen en Ukraine. Face a face entre les pro-europeens et les services de police, a la barricade de la rue rue Grouchevski (pres de la place de l'Independance)

Ukraine, Kiev, 25 janvier 2014. Mouvement pro-europeen en Ukraine. Face a face entre les pro-europeens et les services de police, a la barricade de la rue rue Grouchevski (pres de la place de l'Independance)

Ukraine, Kiev, 25 janvier 2014. Mouvement pro-europeen en Ukraine. Face a face entre les pro-europeens et les services de police, a la barricade de la rue rue Grouchevski (pres de la place de l'Independance)

Ukraine, Kiev, 25 janvier 2014. Mouvement pro-europeen en Ukraine. Face a face entre les pro-europeens et les services de police, a la barricade de la rue rue Grouchevski (pres de la place de l'Independance)