Ukraine's government and separatist rebels have failed to begin withdrawing heavy weapons from the front line, despite a Feb. 16 deadline.
Russia's War Against Ukraine
BBC: Army and rebels stall heavy arms pullout
Pro-Russian rebels stationed in the eastern Ukrainian city of Gorlivka, Donetsk region, launch missiles from a Grad launch vehicle toward a position of the Ukrainian forces in Debaltseve, about 35km east of Gorlivka, on Feb. 13, 2015.
