A Russia-backed rebel fighter holds a sniper rifle while wearing a mask in Debaltseve, Ukraine, Friday, Feb. 20, 2015. After weeks of relentless fighting, the embattled Ukrainian rail hub of Debaltseve fell Wednesday to Russia-backed separatists, who hoisted a flag in triumph over the town. The Ukrainian president confirmed that he had ordered troops to pull out and the rebels reported taking hundreds of soldiers captive.(AP Photo/Vadim Ghirda) (The Associated Press)
KIEV, Ukraine – Ukraine's military and Russia-backed separatist rebels are accusing each other of continuing to mount attacks a week after a cease-fire was called.