(FILES) Photo taken on December 11,2013 shows Berkut riot police storming the barricades set up by pro-EU protestors on Independence Square in Kiev. Acting interior minister Arsen Avakov announced on his Facebook account that he was dissolving the feared unit effective immediately on February 26, 2014. "The Berkut is no more," the 50-year-old wrote. AFP PHOTO / VOLODYMYR SHUVAYEV AFP PHOTO/ DMITRY SEREBRYAKOV

(FILES) Photo taken on December 11,2013 shows Berkut riot police storming the barricades set up by pro-EU protestors on Independence Square in Kiev. Acting interior minister Arsen Avakov announced on his Facebook account that he was dissolving the feared unit effective immediately on February 26, 2014. "The Berkut is no more," the 50-year-old wrote. AFP PHOTO / VOLODYMYR SHUVAYEV

Anti riot police officers arrest protesters on Independence Square in Kiev early morning on November 30, 2013. Dozens of protesters were wounded in Ukraine's capital early Saturday when police brutally dispersed demonstrators calling for President Viktor Yanukovych's ouster after he failed to salvage an EU deal, a lawmaker and a witness said. "The Maidan has been brutally mopped up," opposition lawmaker Andriy Shevchenko said on Twitter, referring to Kiev's central Independence Square, the site of the rally and epicentre of the country's 2004 Orange Revolution. AFP PHOTO/ STRINGER

Activists clash with riot police in front of the Ukrainian Cabinet of the Ministers during a protest in Kiev on November 25, 2013. Pro-West Ukrainians staged the biggest protest in Kiev since the 2004 Orange Revolution, demanding that the government sign a key pact with the European Union. The opposition called the rally after President Viktor Yanukovych's government reversed a plan to sign a historic deal deepening ties with the European Union, in a U-turn critics said was forced by the Kremlin. AFP PHOTO/ SERGEI SUPINSKY

Activists clash with riot police on the Square of Europe during a protest in Kiev on November 25, 2013 . Jailed Ukrainian opposition leader Yulia Tymoshenko said on November 25 she would begin a hunger strike over a government decision to scrap a key EU pact that sparked huge protests. Her announcement came as President Viktor Yanukovych pleaded for calm after a second day of nationwide demonstrations over the move. AFP PHOTO /GENIA SAVILOV

Demonstrators clash with riot police on the Square of Europe during a protest in Kiev on November 25, 2013 . Jailed Ukrainian opposition leader Yulia Tymoshenko said on November 25 she would begin a hunger strike over a government decision to scrap a key EU pact that sparked huge protests. Her announcement came as President Viktor Yanukovych pleaded for calm after a second day of nationwide demonstrations over the move. AFP PHOTO /GENIA SAVILOV

Protesters and riot police clash in front of the Cabinet of Ministers of Ukraine during a rally in Kiev on November 24, 2013. Thousands of pro-Europe protesters in Ukraine attempted to storm the government building in the capital of Kiev Sunday, clashing with police who fired tear gas to keep them back. Protesters tried to break through police ranks surrounding the building, with some throwing stones and hitting officers with the signs they were carrying, as police fought back with batons, an AFP correspondent reported. AFP PHOTO /SERGEI SUPINSKY

Protesters use tear gas and throw stones during clashes with riot police in front of the Cabinet of Ministers of Ukraine during a rally in Kiev on November 24, 2013. Thousands of pro-Europe protesters in Ukraine attempted to storm the government building in the capital of Kiev Sunday, clashing with police who fired tear gas to keep them back. Protesters tried to break through police ranks surrounding the building, with some throwing stones and hitting officers with the signs they were carrying, as police fought back with batons, an AFP correspondent reported. AFP PHOTO / GENYA SAVILOV

Riot police spray tear gas at protesters in front of the Ukrainian Cabinet of Ministers in Kiev, Ukraine, Sunday, Nov. 24, 2013. Tens of thousands of demonstrators took to the streets to demand that the Ukrainian government reverse course and sign a landmark agreement with the European Union in defiance of Russia. The protest was the biggest Ukraine has seen since the peaceful 2004 Orange Revolution, which overturned a fraudulent presidential election result and brought a Western-leaning government to power. (AP Photo/Efrem Lukatsky)

TOPSHOTS Protesters use tear gas and throw stones during clashes with riot police in front of the Cabinet of Ministers of Ukraine during a rally in Kiev on November 24, 2013. Thousands of pro-Europe protesters in Ukraine attempted to storm the government building in the capital of Kiev Sunday, clashing with police who fired tear gas to keep them back. Protesters tried to break through police ranks surrounding the building, with some throwing stones and hitting officers with the signs they were carrying, as police fought back with batons, an AFP correspondent reported. AFP PHOTO / GENYA SAVILOV