TOPSHOTS Pro-Russian activists warm themself near a fire outside the Security Service building in estern Ukrainian city of Lugansk on April 11, 2014. Ukraine's embattled leaders, scrambling to hold their splintered country together after the annexation of Crimea, on Thursday offered amnesty to pro-Russian separatists occupying eastern state buildings if they lay down their arms and halt a four-day siege. AFP PHOTO/ GENYA SAVILOV