Fighting raged Sunday in the eastern Ukrainian city of Donetsk despite a request from the pro-Russian rebels there for a cease-fire to prevent a "humanitarian catastrophe."
Fighting Rages in Donetsk, Ukraine
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A prisoner inspects damage in a high-security facility after shelling in Donetsk, eastern Ukraine, Aug. 11, 2014.
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A prisoner tramples smoldering grass in a high-security facility after shelling in Donetsk, eastern Ukraine, Aug. 11, 2014.
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Ukrainian fire fighters put out the fire at the destroyed buses after shelling in Donetsk, eastern Ukraine, Aug. 10, 2014.
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A man runs out of the destroyed building after shelling in Donetsk, eastern Ukraine, Aug. 10, 2014.