Ukraine

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Ukrainian protesters turn over a police car outside police headquarters in Lviv, western Ukraine, early Wednesday, Feb. 19, 2014. The violence on Tuesday was the worst in nearly three months of anti-government protests that have paralyzed Ukraine's capital, Kiev, in a struggle over the identity of a nation divided in loyalties between Russia and the West, and the worst in the country's post-Soviet history. (AP Photo/ Pavlo Palamarchuk)

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Ukrainian protesters burn a cars outside a Security Service headquarters in Lviv, western Ukraine, early Wednesday, Feb. 19, 2014. The violence on Tuesday was the worst in nearly three months of anti-government protests that have paralyzed Ukraine's capital, Kiev, in a struggle over the identity of a nation divided in loyalties between Russia and the West, and the worst in the country's post-Soviet history. (AP Photo/ Pavlo Palamarchuk)

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An anti-government protester throws a stone during clashes with riot police in Kiev's Independence Square, the epicenter of the country's current unrest, Kiev, Ukraine, Wednesday, Feb. 19, 2014. The deadly clashes in Ukraine’s capital have drawn sharp reactions from Washington, generated talk of possible European Union sanctions and led to a Kremlin statement blaming Europe and the West. (AP Photo/Efrem Lukatsky)

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Ukraine's Yosyf Penyak, left, competes against Bulgaria's Radoslav Yankov during men's snowboard parallel giant slalom qualifying at the Rosa Khutor Extreme Park, at the 2014 Winter Olympics, Wednesday, Feb. 19, 2014, in Krasnaya Polyana, Russia. (AP Photo/Andy Wong)

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Ukraine's Dmytro Mytsak finishes the first run of the men's giant slalom at the Sochi 2014 Winter Olympics, Wednesday, Feb. 19, 2014, in Krasnaya Polyana, Russia. (AP Photo/Gero Breloer)

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Anti-government protesters protected themselves with shields during clashes with riot police in Kiev's Independence Square, the epicenter of the country's current unrest, Kiev, Ukraine, Wednesday, Feb. 19, 2014. The deadly clashes in Ukraine’s capital have drawn sharp reactions from Washington, generated talk of possible European Union sanctions and led to a Kremlin statement blaming Europe and the West. (AP Photo/Sergei Chuzavkov)

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Anti-government protesters protect themselves with shields during clashes with riot police in Kiev's Independence Square, the epicenter of the country's current unrest, Kiev, Ukraine, Wednesday, Feb. 19, 2014. The deadly clashes in Ukraine’s capital have drawn sharp reactions from Washington, generated talk of possible European Union sanctions and led to a Kremlin statement blaming Europe and the West. (AP Photo/Efrem Lukatsky)

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An anti-government protester walks away during clashes with riot police in Kiev's Independence Square, the epicenter of the country's current unrest, Kiev, Ukraine, Wednesday, Feb. 19, 2014. The deadly clashes in Ukraine’s capital have drawn sharp reactions from Washington, generated talk of possible European Union sanctions and led to a Kremlin statement blaming Europe and the West. (AP Photo/Sergei Chuzavkov)