AP PHOTOS: Iraqis flee Mosul fighting
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Displaced Iraqi citizens have been fleeing the fighting between Iraqi forces and Islamic State militants, crossing the Nineveh plains northeast of Mosul to reach the Kurdish-controlled areas.
Iraqi troops advanced cautiously into eastern districts of Mosul on Friday, facing stiff resistance from Islamic State militants a day after they paused their assault due to poor visibility, officers said.
On Thursday, cloudy skies over Iraq's second-largest city had obscured the visibility of the drones and warplanes on which the troops rely, hindering their advance.
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Here are some images from The Associated Press from Mosul, Iraq, on Thursday and Friday.