Russia-backed rebels sit on an armored transporter driving to the airport outside Donetsk, Ukraine, Wednesday, Feb. 25, 2015. Ukrainian troops held captive in the separatist stronghold of Donetsk began digging through the rubble Wednesday to retrieve the bodies of fellow soldiers killed last month in a bitter battle for the city's airport. (AP Photo/Vadim Ghirda) (The Associated Press)
KIEV, Ukraine – Russia's foreign minister is sharply criticizing Ukraine's insistence that it won't begin pulling back heavy weapons in its fight against separatists in the east until the rebels fully observe a cease-fire.
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