Uniformed men, believed to be Russian servicemen, walk in formation near a Ukrainian military base in the village of Perevalnoye outside Simferopol, March 7, 2014. Ukraine is ready for talks with Russia, but Moscow must first withdraw its troops, abide by international agreements and halt its support for “separatists and terrorists”, Prime Minister Arseny Yatseniuk said on Friday. REUTERS/Vasily Fedosenko (UKRAINE – Tags: POLITICS MILITARY CIVIL UNREST)