Fierce fighting raged on Feb. 1 in east Ukraine between government troops and Russian-backed separatists as the warring sides attempted to bolster their positions ahead of a weekend cease-fire deadline.
Russia's War Against Ukraine
Associated Press: Ukraine battles persists ahead of cease-fire
Pro-Russian separatists go to the front armed on Feb. 9, 2015 in Uglegorsk, 6 kms southwest of Debaltseve.
