(AP Photo/Efrem Lukatsky)

EPA/SERGEY KOZLOV

(Photo by UKRAINIAN PRESIDENTIAL PRESS SERVICE / AFP)

(Photo by SERGEY BOBOK / AFP)

(Photo by Sergei SUPINSKY / AFP)

(Photo by Sergei SUPINSKY / AFP)

(Photo by Sergei SUPINSKY / AFP)

(AP Photo/Efrem Lukatsky)

EPA/OLEG PETRASYUK

EPA/SERGEY KOZLOV

REUTERS/Alexander Ermochenko

REUTERS/Alexander Ermochenko

REUTERS/Alexander Ermochenko

REUTERS/Alexander Ermochenko

REUTERS/Alexander Ermochenko

REUTERS/Alexander Ermochenko

REUTERS/Alexander Ermochenko

REUTERS/Alexander Ermochenko

REUTERS/Vyacheslav Madiyevskyy