(01 of22)
Open Image ModalAn elderly man stands next a barricade near the secret service building in the eastern Ukrainian city of Luhansk on April 22, 2014. (DIMITAR DILKOFF/AFP/Getty Images) (credit:Getty Images)
(02 of22)
Open Image ModalMourners attend the funeral of men killed in a gunfight on April 20, 2014, in the eastern Ukrainian city of Slavyansk, held on April 22, 2014. (KIRILL KUDRYAVTSEV/AFP/Getty Images) (credit:Getty Images)
(03 of22)
Open Image ModalMourners keep watch outside the house of a pro-Russian activist after his remains were brought to his home in the small village of Aleksandrovka, following a funeral service on April 22, 2014 near Slovyansk, Ukraine. (Scott Olson/Getty Images) (credit:Getty Images)
(04 of22)
Open Image ModalA pro-Russian militant looks out from the barricaded entrance of the city council building on April 21, 2014 in Slovyansk, Ukraine. (Scott Olson/Getty Images) (credit:Getty Images)
(05 of22)
Open Image ModalCommander of the so-called army of southeast Ukraine, Valeriy Bolotov, speaks to the press after he was pronounced the \'people\'s governor\' in the secret service building of Luhansk, Ukraine on April 21, 2014. (DIMITAR DILKOFF/AFP/Getty Images) (credit:Getty Images)
(06 of22)
Open Image ModalThe separatist leader of the eastern Ukrainian city of Slavyansk, Vyacheslav Ponomaryov (L), leaves after holding a press conference in Slavyansk on April 21, 2014. (GENYA SAVILOV/AFP/Getty Images) (credit:Getty Images)
(07 of22)
Open Image ModalA pro-Russian activist guards a barricade outside the regional administrative building as a flag of the so-called \'People\'s Republic of Donetsk\' hung in the eastern Ukrainian city of Donetsk on April 21, 2014. (ANATOLIY STEPANOV/AFP/Getty Images) (credit:Getty Images)
(08 of22)
Open Image ModalChildren pose for a picture with a pro-Russian militant outside the city council building on April 21, 2014 in Slovyansk, Ukraine. (Scott Olson/Getty Images) (credit:Getty Images)
(09 of22)
Open Image ModalIevgeniy Gorbik, a spokesperson for the pro-Russian militants occupying Slovyansk, speaks to the press in front of a tank parked near the security service building on April 21, 2014 in Slovyansk, Ukraine. (Scott Olson/Getty Images) (credit:Getty Images)
(10 of22)
Open Image ModalA boy rides his bike in front of a barricade near the Slovyansk police station on April 21, 2014 in Slovyansk, Ukraine. (Scott Olson/Getty Images) (credit:Getty Images)
(11 of22)
Open Image ModalA pro-Russian militant sits on top of an armored personnel carrier in front of the occupied security service building on April 21, 2014 in Slovyansk, Ukraine. (Scott Olson/Getty Images) (credit:Getty Images)
(12 of22)
Open Image ModalA pro-Russia activist hangs a flag of the so-called \'People\'s Republic of Donetsk\' on the regional administration building seized by separatists as armed men in military fatigues guard the premises in the eastern Ukrainian city of Slavyansk on April 21, 2014. (GENYA SAVILOV/AFP/Getty Images) (credit:Getty Images)
(13 of22)
Open Image ModalA woman and child with an armed man in military fatigues guarding a barricade outside the regional administration building in the eastern Ukrainian city of Slavyansk on April 21, 2014. (GENYA SAVILOV/AFP/Getty Images) (credit:Getty Images)
(14 of22)
Open Image ModalPro-Russia activists sing the Russian national anthem during a pro-Russia rally outside the secret service building in the eastern Ukrainian city of Luhansk on April 21, 2014. (DIMITAR DILKOFF/AFP/Getty Images) (credit:Getty Images)
(15 of22)
Open Image ModalPro-Russia activists sing the Russian national anthem during a pro-Russia rally outside the secret service building in the eastern Ukrainian city of Lugansk on April 21, 2014. (DIMITAR DILKOFF/AFP/Getty Images) (credit:Getty Images)
(16 of22)
Open Image ModalA pro-Russia supporter stands at a barricade outside the regional police building seized by separatists in the eastern Ukrainian city of Slavyansk on April 21, 2014. (KIRILL KUDRYAVTSEV/AFP/Getty Images) (credit:Getty Images)
(17 of22)
Open Image ModalAn armed man in military fatigues guards a barricade outside the regional administration building in the eastern Ukrainian city of Slavyansk on April 21, 2014. (GENYA SAVILOV/AFP/Getty Images) (credit:Getty Images)
(18 of22)
Open Image ModalAn armoured personnel carrier with a Russian flag drives outside the regional administration building in the eastern Ukrainian city of Slavyansk on April 21, 2014. (GENYA SAVILOV/AFP/Getty Images) (credit:Getty Images)
(19 of22)
Open Image ModalAn Orthodox priest blesses protesters during a pro-Russian rally outside the secret service building in the eastern Ukrainian city of Luhansk on April 21, 2014. (DIMITAR DILKOFF/AFP/Getty Images) (credit:Getty Images)
(20 of22)
Open Image ModalThe bodyguard of the leader of the separatist rebels in the eastern Ukrainian city of Slavyansk attends a press-conference in the city on April 20, 2014. (KIRILL KUDRYAVTSEV/AFP/Getty Images) (credit:Getty Images)
(21 of22)
Open Image ModalA young boy poses with an armed man in military fatigues guarding a barricade outside the regional administration building in the eastern Ukrainian city of Slavyansk on April 20, 2014. (KIRILL KUDRYAVTSEV/AFP/Getty Images) (credit:Getty Images)
(22 of22)
Open Image ModalA pro-Russian activist stands guard outside of the Donetsk Regional Administration building on April 20, 2014 in Donetsk, Ukraine. (Scott Olson/Getty Images) (credit:Getty Images)