Sevastopol Naval Based Sized By Pro-Moscow Troops

Ukraine -- A man holds a Russian flag on the roof of Ukrainian naval headquarters as another man addresses the crowd outside with a megaphone in Sevastopol, March 19, 2014

Ukraine -- People remove the gate of Ukrainian navy headquaters as Russian troops stand guard in Crimean city of Sevastopol on March 19, 2014

Ukraine -- Ukrainian servicemen carry their belongings as they pass by an armed man while leaving the territory of the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- Pro-Russian supporters walk after breaking into the territory of the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- Men carry a safe out of the naval headquarters after it was taken over by pro-Russian forces in Sevastopol, March 19, 2014

Ukraine -- A pro-Russian supporter takes down a Ukrainian flag after breaking into the territory of the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- Members of Crimean self-defence units walk in formation while leaving the territory of the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- A member of pro-Russian forces carries a Russian flag after breaking into the territory of the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- A Ukrainian naval officer (C) passes by armed men, believed to be Russian servicemen, as he leaves the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- An armed man, believed to be a Russian serviceman, guards near the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- Armed men, believed to be Russian servicemen, check documents of Russian navy officers who enter the territory of the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- People hold a banner, which reads "Sevastopol", outside the territory of the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- Armed men, believed to be Russian servicemen, stand guard by the entrance to the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- Pro-Russian supporters sit on top of a Ukrainian APC after breaking into the territory of the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- A Ukrainian servicemen packs his belongings before leaving the territory of the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- A pro-Russian man looks through a wall after breaking into the territory of the naval headquarters in Sevastopol, March 19, 2014

Ukraine -- Armed men, believed to be Russian servicemen, stand guard at the top of a chimney located near the naval headquarters, with Russian flags installed nearby, in Sevastopol, March 19, 2014