A Ukrainian tank is seen at a position near the eastern Ukrainian city of Konstantinovka July 10, 2014. Ukrainian forces regained more ground but sustained further casualties on Thursday in clashes ... more 
A Ukrainian tank is seen at a position near the eastern Ukrainian city of Konstantinovka July 10, 2014. Ukrainian forces regained more ground but sustained further casualties on Thursday in clashes with separatists, while two Western allies urged Russia's Vladimir Putin to exert more pressure on the rebels to find a negotiated end to the conflict. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS MILITARY CIVIL UNREST CONFLICT) less 
1 / 30
Reuters | Photo By GLEB GARANICH / REUTERS
Thu, Jul 10, 2014 2:58 PM EDT