Two pro-Russian seperatists stop a man holding his arms up in the eastern Ukrainian city of Uglegorsk, 6 kms southwest of Debaltseve, on February 19, 2015. The leaders of Ukraine, Germany, France and Russia on February 19 pledged to try to save a tattered ceasefire in eastern Ukraine despite violations — including the storming of a key town by pro-Russian rebels. AFP PHOTO / VASILY MAXIMOV (Photo credit should read VASILY MAXIMOV/AFP/Getty Images)