Lorries part of a Russian humanitarian convoy are parked not far from a checkpoint at the Ukrainian border some 30 km outside the town of Kamensk-Shakhtinsky in the Rostov region, on August 18, 2014. A tension between Moscow and Kiev simmering over Russia's decision to try and deliver what it claims to be a huge humanitarian aid convoy that the Ukrainian authorities fear may be used to smuggle in arms to the pro-Kremlin insurgents. AFP PHOTO / DMITRY SEREBRYAKOV (Photo credit should read DMITRY SEREBRYAKOV/AFP/Getty Images)