Armed men, believed to be Russian servicemen, gather on a hill near a military base in the Crimean town of Belbek outside Sevastopol March 22, 2014. Russian troops have surrounded the Ukrainian ... more 
Armed men, believed to be Russian servicemen, gather on a hill near a military base in the Crimean town of Belbek outside Sevastopol March 22, 2014. Russian troops have surrounded the Ukrainian airbase in Crimea and issued an ultimatum to forces inside to surrender, the deputy commander of the base in Belbek, near Sevastopol, said on Saturday. REUTERS/Shamil Zhumatov (UKRAINE - Tags: POLITICS MILITARY TPX IMAGES OF THE DAY) BEST QUALITY AVAILABLE less 
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Reuters | Photo By SHAMIL ZHUMATOV / REUTERS
Sat, Mar 22, 2014 9:30 AM EDT