Photos: Presidential election in Ukraine

A woman emerges from a voting booth in Ulyanovka after filling out her ballot in Ukraine’s presidential election on May 25.   (Brendan Hoffman / Getty Images)

Soldiers from an anti-terrorist operation are shown before casting their ballots in the small Ukrainian city of Izyum, bordering the Donetsk region.   (Sergey Bobok / AFP/ Getty Images)

A woman holds her ballot as she leaves a booth at a polling station in the eastern Ukrainian town of Dobropillya.  (Dimitar Dilkoff / AFP/Getty Images)

A man fills in a ballot in a voting booth in the eastern Ukrainian town of Dobropillya.  (Dimitar Dilkoff / AFP/ Getty Images)

Local residents ride their bicycles past Ukrainian soldiers who stand guard at a checkpoint outside of Slovyansk.  (Genya Savilov / AFP/Getty Images)

An elderly woman leans against the chest of a pro-Russia gunman in Lenin square in Donetsk.  (Vadim Ghirda / Associated Press)

A voter with his daughter casts his ballot at a polling station in the western city of Lviv.  (Pavlo Palamarchuk / Associated Press)

An elderly woman reads the list of candidates before casting her ballot at a polling station in Mariupol.  (Fabio Bucciarelli / AFP/ Getty Images)

A man casts his ballot at a polling station in the village of Svitle, near the eastern Ukrainian town of Dobropillya.  (Dimitar Dilkoff / AFP/ Getty Images)