(AP Photo/Libkos)

(REUTERS/Alexander Ermochenko)

(REUTERS/Alexander Ermochenko)

(REUTERS/Alexander Ermochenko)

(REUTERS/Alexander Ermochenko)

(REUTERS/Alexander Ermochenko)

(Head of the Donetsk Regional Military Administration/Pavlo Kyrylenko/Handout via REUTERS)

(Head of Donetsk Civil-Military Administration Pavlo Kyrylenko/Handout via REUTERS)

(Photo by Natalia KOLESNIKOVA / AFP)

(Photo by Natalia KOLESNIKOVA / AFP)

(Photo by Natalia KOLESNIKOVA / AFP)

(Photo by Natalia KOLESNIKOVA / AFP)

(Photo by Natalia KOLESNIKOVA / AFP)

(Photo by Natalia KOLESNIKOVA / AFP)

(REUTERS/Violeta Santos Moura)

(REUTERS/Violeta Santos Moura)

(Photo by Sergey SHESTAK / AFP)

(AP Photo/Libkos)

(AP Photo/Libkos)

(AP Photo/Libkos)

(AP Photo/Libkos)

(AP Photo/Libkos)

(AP Photo/Libkos)

(AP Photo/Libkos)