FILE In this file photo taken on Monday, Nov. 10, 2014, Pro-Russian rebel military vehicle convoy move towards Donetsk , Eastern Ukraine. Russia has denied it is sending arms and troops to support the separatists in Ukraine, but dozens of soldiers have been reported killed during drills in the Rostov region of southern Russia, but rights groups have actually attributed the deaths to the conflict over the border in Ukraine. (AP Photo/ Mstyslav Chernov, file)