Ukraine's polling stations open in a presidential election overshadowed by violence in the country's mainly Russian-speaking east and by Russia's annexation of Ukraine's Crimea peninsula.
Presidential Voting Under Way in Tense Ukraine
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A Ukrainian soldier waits outside voting booths at a polling station in the village of Desna in the Chernihiv region.
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Pro-Russian militants smash ballot boxes in front of the seized regional administration building in Donetsk. Ukraine's critical presidential election got underway under the wary scrutiny of a world eager for stability in a country rocked by a deadly uprising in the east.
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Presidential candidate Petro Poroshenko, left, and his wife Maria, right, cast their ballots at a polling station in Kyiv.
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Darth Vader, the Ukrainian Internet Party candidate for Kyiv's mayor, waits to receive his ballot at a polling station in Kiev.