Ukrainian presidential candidate Volodymyr Zelenskiy celebrates in Kyiv after exit polls showed he was on his way to a landslide victory in the April 21 presidential runoff vote.
Ukrainian President Petro Poroshenko delivers a concession speech after exit polls showed him set to lose the April 21 presidential runoff vote. He congratulated challenger Volodymyr Zelenskiy on his victory and promised not to leave politics.
Ukrainian soldiers line up to vote in a special ballot station in the village of Krymske in the Luhansk region during the April 21 presidential runoff vote.
A Ukrainian soldier casts his ballot paper. The choice is between incumbent President Petro Poroshenko and political outsider Volodymyr Zelenskiy.
Ukrainian soldiers voted in special tents.
An election official brings a ballot box to the front-line village of Novotroitse in the Donetsk region on April 21. As the gates show, most homes here have been damaged by shelling.
More than 50 people registered for home voting in the front-line village of Novotroitse in the Donetsk region.
Election officials brought ballot boxes house-to-house so elderly voters could cast ballots in Ukraine's April 21 presidential runoff vote.
A woman inspects the ballot paper during home voting in the village of Novotroitse in the Donetsk region.
More than 13,000 people have died since fighting broke out in 2014 in eastern Ukraine between Russia-backed separatists and Ukrainian government forces.
An election official tours the front-line village of Novotroitse in the Donetsk region.
Election officials expected turnout in Novotroitse would be higher in the second round of presidential voting.
A polling station in Kyiv during the second round of Ukraine's presidential election on April 21.
A man casts his ballot at a polling station in Kyiv on April 21.
A Ukrainian family takes a souvenir selfie at a polling station in Kyiv on April 21.
A child waits for his parents to cast their ballots at a polling station in Kyiv during the second round of Ukraine's presidential election on April 21.
Incumbent President Petro Poroshenko speaks to RFE/RL as he arrives at Kyiv's House of Officers to cast his ballot with his wife, Maryna Poroshenko, on April 21.
Presidential candidate Volodymyr Zelenskiy outside a Kyiv polling station after casting his ballot. Asked by RFE/RL what would be the first issues he would tackle if elected president, he answered: "The war and corruption."
A Femen activist protests outside a polling station where Volodymyr Zelenskiy voted in Kyiv. The woman warned voters that a Zelenskiy presidency could end up being a "funny mistake."