Ukrainian soldiers walk at a checkpoint near the eastern Ukrainian town of Pervomaysk SSeptember 12, 2014. Ukraine's president said on Friday there could be no military solution to his country's crisis and said he hoped "a very fragile" ceasefire in the east would hold, allowing him to focus on rebuilding the shattered economy. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST MILITARY)