A pro-Russian rebel holds a knife as he stands near a local government building in downtown Kramatorsk June 7, 2014. Pro-Russian separatists poured scorn on peace overtures from Ukraine's new president Petro Poroshenko on Saturday as fighting rumbled on in the east of the country. Fighting continued around Slaviansk on Saturday and smoke could be seen rising above the surrounding forests. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST)