A boy sits on a swing near his building, which was damaged during fighting between the Ukrainian army and pro-Russian separatists, as an armoured personnel carrier (APC) of the Ukrainian armed forces is seen nearby in Avdeyevka near Donetsk, eastern Ukraine, June 7, 2015. Group of Seven (G7) leaders vowed at a summit in the Bavarian Alps on Sunday to keep sanctions against Russia in place until President Vladimir Putin and Moscow-backed separatists fully implement the terms of a peace deal for Ukraine. REUTERS/Gleb Garanich