Ukrainian Interior Ministry security forces, blocked by pro-Russian activists, gather outside the regional government headquarters in Luhansk
Ukrainian Interior Ministry security forces, blocked by pro-Russian activists, gather outside the regional government headquarters in Luhansk, eastern Ukraine, April 29, 2014. Hundreds of pro-Russian separatists stormed the regional government headquarters in Ukraine's eastern city of Luhansk on Tuesday, gaining access by breaking windows and facing no resistance from police. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY)
Ukrainian Interior Ministry security forces and a firefighter, blocked by pro-Russian activists, gather outside the regional government headquarters in Luhansk
REFILE - CLARIFYING CAPTION Ukrainian Interior Ministry security forces and a firefighter (2nd R), blocked by pro-Russian activists, gather outside the regional government headquarters in Luhansk, eastern Ukraine, April 29, 2014. Hundreds of pro-Russian separatists stormed the headquarters on Tuesday, unopposed by police, and the Ukrainian government said they also planned to seize the local television centre. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
A man carries a shield and a service cap of a Ukrainian Interior Ministry security forces member as pro-Russian activists occupy the regional government headquarters in Luhansk
REFILE - CLARIFYING CAPTION A man carries a shield and a service cap of a Ukrainian Interior Ministry security forces member as pro-Russian activists occupy the regional government headquarters in Luhansk, eastern Ukraine, April 29, 2014. Hundreds of pro-Russian separatists stormed the headquarters on Tuesday, unopposed by police, and the Ukrainian government said they also planned to seize the local television centre. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
Ukrainian Interior Ministry security forces leave the regional administration headquarters in Luhansk
REFILE - CLARIFYING CAPTION Ukrainian Interior Ministry security forces (bottom) leave the regional administration headquarters as pro-Russian supporters gather in the building's courtyard in Luhansk, eastern Ukraine, April 29, 2014. Hundreds of pro-Russian separatists stormed the headquarters on Tuesday, unopposed by police, and the Ukrainian government said they also planned to seize the local television centre. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
Ukrainian Interior Ministry security forces stand in formation as pro-Russian supporters gather in the courtyard of the regional administration building in Luhansk
REFILE - CLARIFYING CAPTION Ukrainian Interior Ministry security forces stand in formation as pro-Russian supporters gather in the courtyard of the regional administration building during an attack by activists on the building in Luhansk, eastern Ukraine, April 29, 2014. Hundreds of pro-Russian separatists stormed the regional government headquarters on Tuesday, gaining access by breaking windows and facing no resistance from police. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
Pro-Russian supporters face Ukrainian Interior Ministry security forces in Luhansk
REFILE - CLARIFYING CAPTION Pro-Russian supporters (L) face Ukrainian Interior Ministry security forces standing in formation outside the regional government headquarters in Luhansk, eastern Ukraine, April 29, 2014. Hundreds of pro-Russian separatists stormed the headquarters on Tuesday, unopposed by police, and the Ukrainian government said they also planned to seize the local television centre. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
Separatists seize control in another Ukrainian city
UKRAINE-CRISIS/LUHANSK (UPDATE 3, PIX):UPDATE 3-Separatists seize control in another Ukrainian city
Pro-Russian armed men run near the local police headquarters in Luhansk
Pro-Russian armed men run near the local police headquarters in Luhansk, eastern Ukraine, April 29, 2014. Pro-Russian separatists in Ukraine opened fire with automatic weapons and threw stun grenades at the local police headquarters in the eastern city of Luhansk on Tuesday, a Reuters photographer said. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
Pro-Russian armed men walk near the local police headquarters in Luhansk
Pro-Russian armed men walk near the local police headquarters in Luhansk, eastern Ukraine, April 29, 2014. Pro-Russian separatists in Ukraine opened fire with automatic weapons and threw stun grenades at the local police headquarters in the eastern city of Luhansk on Tuesday, a Reuters photographer said. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
Pro-Russian activists and supporters look out from the regional government headquarters in Luhansk
Pro-Russian activists and supporters look out from the regional government headquarters in Luhansk, eastern Ukraine, April 29, 2014. Hundreds of pro-Russian separatists seized the regional government headquarters in Luhansk on Tuesday, unopposed by police, underlining the lack of control of central government over swathes of eastern Ukraine. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)