Ukrainian President Viktor Yanukovych (L) and European Commissioner for Enlargement and European Neighbourhood Policy Stephan Fuele shake hands during their meeting prior talks in Kiev on January 28, 2014. Meanwhile, Russian President Vladimir Putin and the EU's top officials went into talks sharply divided over Ukraine and eastern Europe, with trust in short supply and little sign of compromise. = RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / UKRAINIAN PRESIDENTIAL PRESS SERVICE / MYKHAYLO MARKIV" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS =

A handout picture taken and released on January 24, 2014 by the Ukrainian Presidential Press Service shows Ukrainian President Viktor Yanukovych (L) and European Commissioner for Enlargement and Neighbourhood Policy Stefan Fule (R) shaking hands prior to their meeting in Kiev. Yanukovych on January 24 pledged to reshuffle his government and amend controversial anti-protest laws to ease Ukraine's crisis, after losing control of local administrations across the west of the country. AFP PHOTO/ UKRAINIAN PRESIDENTIAL PRESS SERVICE / ANDREI MOSIENKO = RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / UKRAINIAN PRESIDENTIAL PRESS SERVICE / ANDREI MOSIENKO" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS =

Russian President Vladimir Putin, left, shakes hands with his Ukrainian counterpart Viktor Yanukovych during their meeting in Moscow on Tuesday, Dec. 17, 2013. (AP Photo/Alexander Nemenov, pool)

Russian President Vladimir Putin, right, and his Ukrainian counterpart Viktor Yanukovych talk during their meeting in Moscow on Tuesday, Dec. 17, 2013. (AP Photo/Alexander Nemenov, pool)

Russia's President Vladimir Putin (R) talks to Ukrainian President Viktor Yanukovych during a signing ceremony at the Kremlin in Moscow, on December 17, 2013. Putin said that the state energy companies of Russia and Ukraine had signed an amended agreement slashing the price Moscow charges its cash-strapped neighbour for natural gas. AFP PHOTO / ALEXANDER NEMENOV

Russian President Vladimir Putin, right, and his Ukrainian counterpart Viktor Yanukovych shake hands after signing an agreement in Moscow on Tuesday, Dec. 17, 2013. Russian President Vladimir Putin says Moscow has agreed to sharply cut the price for its natural gas supplies to Ukraine and will buy $15 billion worth of Ukrainian government bonds. (AP Photo/Ivan Sekretarev)

(FILES) -- A file photo taken on December 17, 2013 shows Ukrainian President Viktor Yanukovych winking at his Russian counterpart Vladimir Putin during a signing ceremony at the Kremlin in Moscow. Yanukovych has left Kiev, opposition leader Vitali Klitschko said on February 22, 2014, amid reports that the president has fled the country altogether following a week of deadly violence. "He has left the capital," Klitschko told parliament, also calling for early presidential elections before May 25. AFP PHOTO / ALEXANDER NEMENOV

Ukraine's President Viktor Yanukovych during a round-table meeting with the country's opposition leaders in Kiev, Ukraine, Friday, Dec. 13, 2013. Ukraine's president proposed an amnesty Friday for all those facing criminal charges in the country's wave of anti-government demonstrations, but the gesture did little to mollify opposition leaders driving the protests. (AP Photo/Andrew Kravchenko, Pool)

A Pro-European Union activist wearing a mask depicting Ukrainian President Viktor Yanukovich sits with others as they warm themselves near a bonfire in Independence Square in Kiev, Ukraine, Thursday, Dec. 12, 2013. Ukraine was thrown into crisis last month when President Viktor Yanukovych suddenly backed away from a long-awaited political and economic agreement with the European Union, deciding to focus instead on restoring trade ties with Russia. (AP Photo/Dmitry Lovetsky)

Ukrainian President Viktor Yanukovych arrives for a working dinner at the begining of Eastern Partnership summit in Vilnius on November 28, 2013. An EU summit designed to draw six ex-Soviet states to the West opens with its ambitions dented Thursday after Ukraine, the biggest of the six, caved into Moscow to hand Europe a mighty "Nyet". AFP PHOTO/JANEK SKARZYNSKI

Ukrainian President Viktor Yanukovych arrives for a working dinner arrives at the beginning of the Eastern Partnership Summit in Vilnius on November 28, 2013. An EU summit designed to draw six ex-Soviet states to the West opens with its ambitions dented after Ukraine, the biggest of the six, caved into Moscow to hand Europe a mighty "Nyet". AFP PHOTO / JANEK SKARZYNSKI

Ukrainian President Viktor Yanukovych is pictured during a press conference with Austrian President Fischer (not pictured) during Yanukovych's working visit to Vienna on November 21, 2013. AFP PHOTO / ALEXANDER KLEIN

Ukrainian President Viktor Yanukovych walks by an honor guard, during an official welcome ceremony with Azerbaijani President Ilkham Aliyev in Kiev, Ukraine, Monday, Nov. 18, 2013.(AP Photo/Sergei Chuzavkov)

Belarussian President Alexander Lukashenko (L) and his Ukrainian counterpart Viktor Yanukovych toast on June 18, 2013 after a document signing ceremony in Kiev. Lukashenko started a two-day, official visit to Ukraine. AFP PHOTO/ SERGEI SUPINSKY

Viktor Yanukovych, President of Ukraine, addresses the 67th session of the United Nations General Assembly at U.N. headquarters, Wednesday, Sept. 26, 2012. (AP Photo/Jason DeCrow)

Ukrainian President Viktor Yanukovych (L) and his Polish counterpart Bronislaw Komorowski talk during a meeting before the first EURO 2012 match, on June 8, 2012, in Warsaw. AFP PHOTO/WOJTEK RADWANSKI

Policemen walk on May 22, 2012 past a toy mocking Ukraine's President Viktor Yanukovych as they guard a camp of Yulia Tymoshenko supporters in central Kiev. A Ukrainian court on May 21 once more adjourned a tax evasion trial of the jailed ex-premier Yulia Tymoshenko due to her absence in hospital with debilitating back pains. AFP PHOTO/ SERGEI SUPINSKY

Ukraine's President Viktor Yanukovych, left, and U.S. President Barack Obama smile during their meeting at the Nuclear Security Summit in Seoul, South Korea, Tuesday, March 27, 2012. (AP Photo/Andriy Mosienko, Pool) Oioi Aia?ay Iineaiei, IOE Photo by Andrey Mosienko/POOL

Ukraine's President Viktor Yanukovych (L) welcomes Polish Minister for Foreign Affairs Radoslaw Sikorski prior to their talks in Kiev on February 8, 2012. Sikorski arrived in Ukraine for a one-day official visit. AFP PHOTO/ MYKHAYLO MARKIV/POOL

Ukrainian President Viktor Yanukovych participates in a panel discussion during the opening day of Munich Security Conference in Munich, southern Germany, on February 3, 2012. The Security Conference is a three-day event bringing together top defence and diplomacy officials from around the world discussing the winding down of the NATO engagement in Afghanistan and other looming challenges. AFP PHOTO / THOMAS KIENZLE