Ukraine kicks off 2nd round of presidential election

Candidate actor Volodymyr Zelensky (L) and his wife cast their ballots at a polling station in Kiev, Ukrain, April 21, 2019. Ukraine's presidential candidates, incumbent President Petro Poroshenko and actor Volodymyr Zelensky, on Sunday cast their ballots in the second round of the country's presidential election. (Xinhua/Sergey)