A Ukrainian serviceman sits on an armored vehicle at checkpoint near Debaltseve, September 5, 2014. Ukraine's President Petro Poroshenko said he had ordered the army to observe a ceasefire from 1500 GMT on Friday in its conflict with pro-Russian separatists in eastern Ukraine after envoys in Minsk agreed a peace plan for the region. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST MILITARY TPX IMAGES OF THE DAY)