The self-declared mayor of rebel stronghold Slovyansk , Vyacheslav Ponomaryov , has said that anyone who tries to vote there will be arrested . Obama accused Russian - backed separatists of ' ` ` to destroy entire regions '' Billionaire Vladimir Alfa leads in exit polls , declaring himself the winner . Batkivshchyna party concedes defeat . Fewer than a quarter of polling stations were open in Donetsk region , they say .
Obama accused Russian - backed separatists of ' ` ` to destroy entire regions '' Billionaire Vladimir Alfa leads in exit polls , declaring himself the winner . Batkivshchyna party concedes defeat . Fewer than a quarter of polling stations were open in Donetsk region , they say .