Crisis in Ukraine

epa04603688 Members of a Ukrainian military medical unit carry an injured soldier towards a helicopter headed to Kharkiv during the evacuation of a hospital, in the eastern city of Artyomovsk, Donetsk area, Ukraine, 04 February 2015. The European Union has demanded an immediate ceasefire in eastern Ukraine around the transport hub of Debaltseve, which is being attacked by pro-Russian separatists. EPA/ANASTASIA VLASOVA