An effigy depicting Ukrainian politician and presidential candidate Yulia Tymoshenko is seen hung on a advertisement board outside the offices of the SBU state security service in Luhansk, in eastern Ukraine April 9, 2014. Pro-Russian separatists reinforced barricades around the state security building in the eastern Ukrainian city of Luhansk on Wednesday and called on President Vladimir Putin for help after the government warned it could use force to restore order. REUTERS/Shamil Zhumatov (UKRAINE - Tags: POLITICS CIVIL UNREST)