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TOPSHOT - Iraqis wait in line to receive food aid, distributed by the Iraqi ministry of migrants and refugees, in a central district of Mosul, on November 29, 2016, during an ongoing operation against Islamic State (IS) group jihadists.

Iraqi forces are battling IS deep in eastern Mosul, edging towards the Tigris river that divides the city, which is the jihadists' last major stronghold in Iraq.
Since the October 17 start of a broad offensive to retake Mosul, Iraqi forces have recaptured several eastern neighbourhoods despite fierce resistance.  / AFP / THOMAS COEX        (Photo credit should read THOMAS COEX/AFP/Getty Images)
TOPSHOT - Iraqis wait in line to receive food aid, distributed by the Iraqi ministry of migrants and refugees, in a central district of Mosul, on November 29, 2016, during an ongoing operation against Islamic State (IS) group jihadists.

Iraqi forces are battling IS deep in eastern Mosul, edging towards the Tigris river that divides the city, which is the jihadists' last major stronghold in Iraq.
Since the October 17 start of a broad offensive to retake Mosul, Iraqi forces have recaptured several eastern neighbourhoods despite fierce resistance.  / AFP / THOMAS COEX        (Photo credit should read THOMAS COEX/AFP/Getty Images)

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    The grueling battle for Mosul continues

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The grueling battle for Mosul continues

The long slog to recapture Mosul from ISIS is taking its toll on civilians. CNN's Ben Wedeman reports.

The grueling battle for Mosul continues

The long slog to recapture Mosul from ISIS is taking its toll on civilians. CNN's Ben Wedeman reports.