Anti-government protesters carry body of their killed comrade in central Kiev, Ukraine, Thursday, Feb. 20, 2014. A brief truce in Ukraine's embattled capital failed Thursday, spiraling into fierce clashes between police and anti-government protesters. (AP Photo/Darko Bandic)

Bodies of killed anti-government protesters are carried in central Kiev, Ukraine, Thursday, Feb. 20, 2014. A brief truce in Ukraine's embattled capital failed Thursday, spiraling into fierce clashes between police and anti-government protesters. (AP Photo/Darko Bandic)

An anti-government protester wounded by firearms is carried to a makeshift clinic in central Kiev, Ukraine, Thursday, Feb. 20, 2014. A brief truce in Ukraine's embattled capital failed Thursday, spiraling into fierce clashes between police and anti-government protesters. (AP Photo/Darko Bandic)

Paramedic look at the identification document of a killed anti-government protester, in central Kiev, Ukraine, Thursday, Feb. 20, 2014. A brief truce in Ukraine's embattled capital failed Thursday, spiraling into fierce clashes between police and anti-government protesters. (AP Photo/Darko Bandic)

Flowers are laid on an Ukrainian flag covering body of a killed anti-government protester, in central Kiev, Ukraine, Thursday, Feb. 20, 2014. A brief truce in Ukraine's embattled capital failed Thursday, spiraling into fierce clashes between police and anti-government protesters. (AP Photo/Darko Bandic)

Flowers are laid on an Ukrainian flag covering body of a killed anti-government protester, in central Kiev, Ukraine, Thursday, Feb. 20, 2014. A brief truce in Ukraine's embattled capital failed Thursday, spiraling into fierce clashes between police and anti-government protesters. (AP Photo/Darko Bandic)

Anti-government protesters inspect bodies of their killed comrades in central Kiev, Ukraine, Thursday, Feb. 20, 2014. A brief truce in Ukraine's embattled capital failed Thursday, spiraling into fierce clashes between police and anti-government protesters. (AP Photo/Darko Bandic)

An anti-government protester touches the Ukrainian flag that is covering body of his killed comrade, in central Kiev, Ukraine, Thursday, Feb. 20, 2014. A brief truce in Ukraine's embattled capital failed Thursday, spiraling into fierce clashes between police and anti-government protesters. (AP Photo/Darko Bandic)

A paramedic covers the body of a killed anti-government protester with the Ukrainian flag in central Kiev, Ukraine, Thursday, Feb. 20, 2014. A brief truce in Ukraine's embattled capital failed Thursday, spiraling into fierce clashes between police and anti-government protesters. (AP Photo/Darko Bandic)

Bodies of anti-government protesters killed in clashes with police lay at the Independence Square in Kiev, Ukraine, Thursday, Feb. 20, 2014. Fearing that a call for a truce was a ruse, protesters tossed firebombs and advanced upon police lines Thursday in Ukraine's embattled capital. Government snipers shot back and the almost medieval melee that ensued left scores of people dead. (AP Photo/ Marko Drobnjakovic), APTOPIX

Bodies of anti-government protesters killed in clashes with police lay at the Independence Square in Kiev, Ukraine, Thursday, Feb. 20, 2014. Fearing that a call for a truce was a ruse, protesters tossed firebombs and advanced upon police lines Thursday in Ukraine's embattled capital. Government snipers shot back and the almost medieval melee that ensued left scores of people dead. (AP Photo/ Marko Drobnjakovic), APTOPIX

Activists pay respects to protesters killed in clashes with police, in Kiev's Independence Square, the epicenter of the country's current unrest, Thursday, Feb. 20, 2014. Fierce clashes between police and protesters, some including gunfire, shattered a brief truce in Ukraine's besieged capital Thursday, killing numerous people. The deaths came in a new eruption of violence just hours after the country's embattled president and the opposition leaders demanding his resignation called for a truce and negotiations to try to resolve Ukraine's political crisis. (AP Photo/Sergei Chuzavkov), APTOPIX

Hundreds of armed protesters charged police barricades in Kiev's central Independence Square, despite a truce called just hours earlier by the country's embattled president, in Kiev, Ukraine on February 20, 2014. Protesters pushed the police back about 200 metres and were in control of most of the square they had occupied at the start of Ukraine's three-month-old political crisis. Photo by Rafael Yaghobzadeh/ABACAPRESS.COM

Hundreds of armed protesters charged police barricades in Kiev's central Independence Square, despite a truce called just hours earlier by the country's embattled president, in Kiev, Ukraine on February 20, 2014. Protesters pushed the police back about 200 metres and were in control of most of the square they had occupied at the start of Ukraine's three-month-old political crisis. Photo by Rafael Yaghobzadeh/ABACAPRESS.COM

Hundreds of armed protesters charged police barricades in Kiev's central Independence Square, despite a truce called just hours earlier by the country's embattled president, in Kiev, Ukraine on February 20, 2014. Protesters pushed the police back about 200 metres and were in control of most of the square they had occupied at the start of Ukraine's three-month-old political crisis. Photo by Rafael Yaghobzadeh/ABACAPRESS.COM

Hundreds of armed protesters charged police barricades in Kiev's central Independence Square, despite a truce called just hours earlier by the country's embattled president, in Kiev, Ukraine on February 20, 2014. Protesters pushed the police back about 200 metres and were in control of most of the square they had occupied at the start of Ukraine's three-month-old political crisis. Photo by Rafael Yaghobzadeh/ABACAPRESS.COM

Hundreds of armed protesters charged police barricades in Kiev's central Independence Square, despite a truce called just hours earlier by the country's embattled president, in Kiev, Ukraine on February 20, 2014. Protesters pushed the police back about 200 metres and were in control of most of the square they had occupied at the start of Ukraine's three-month-old political crisis. Photo by Rafael Yaghobzadeh/ABACAPRESS.COM

Hundreds of armed protesters charged police barricades in Kiev's central Independence Square, despite a truce called just hours earlier by the country's embattled president, in Kiev, Ukraine on February 20, 2014. Protesters pushed the police back about 200 metres and were in control of most of the square they had occupied at the start of Ukraine's three-month-old political crisis. Photo by Rafael Yaghobzadeh/ABACAPRESS.COM

Hundreds of armed protesters charged police barricades in Kiev's central Independence Square, despite a truce called just hours earlier by the country's embattled president, in Kiev, Ukraine on February 20, 2014. Protesters pushed the police back about 200 metres and were in control of most of the square they had occupied at the start of Ukraine's three-month-old political crisis. Photo by Rafael Yaghobzadeh/ABACAPRESS.COM

Men defend the entrance of Kreshatik Street, in Kiev on 20th of February 2014.