Protesters, Police Clash in Kyiv

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Anti-government protesters sing the national anthem as they gather at a barricade, central Kyiv, Feb. 19, 2014.

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An anti-government protester throws a Molotov cocktail during clashes with riot police, Independence Square, Kyiv, Ukraine, Feb. 19, 2014.

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A woman carries sandwiches as anti-government protesters gather in Independence Square, central Kyiv, Feb. 19, 2014.

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An anti-government protester stands behind a barricade during clashes with riot police in Independence Square, Kyiv, Ukraine, Feb. 19, 2014.