Intermittent gunshots could be heard on Sunday and plumes of smoke rose from targets hit by warplanes as Iraqi forces tried to tighten the noose on Islamic State militants holed up in Mosul's Old City.
Taking aim through a telescope on his rifle, police sniper Abdul Qader Nadhim Hussein opened fire on Islamic State snipers from a hole of a building in Bab al-Jadid district of Old Mosul.
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