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 woman reads her ballot at a polling station in Mariupol.

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People queue to receive their ballot papers at polling station in the village of Kosmach in the Ivano-Frankivsk region of western Ukraine.

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An election official sits in front of a wall covered with information of candidates at a polling station in the eastern Ukrainian town of Krasnoermeisk (Red Army), northwest of Donetsk.

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An elderly woman casts her vote in the presidential election in the eastern town of Krasnoarmeisk.