epa04630603 A dog strolls in front of an APC of pro-Russian rebels standing on one of the streets of Debaltseve, Donetsk area, Ukraine, 21 February 2015. Ukrainian government forces pulled out of the strategic eastern city of Debaltseve on 18 February 2015. Pro-Russian rebels and Ukrainian government forces are making preparations for an exchange of prisoners in conflict-hit eastern Ukraine and lists of prisoners had already been exchanged between the rebels and the Ukrainian government, a rebel spokeswoman said 21 February. EPA/ALEXANDER ERMOCHENKO