A topless activist from the Ukrainian feminist group Femen takes part in an anti-war protest near the Crimean parliament building in Simferopol March 6, 2014. European Union leaders were set to warn but not sanction Russia on Thursday over its military intervention in Ukraine after Moscow rebuffed Western diplomatic efforts to persuade it to pull forces in Crimea back to their bases. REUTERS/David Mdzinarishvili (UKRAINE - Tags: POLITICS MILITARY CIVIL UNREST)