Middle East In 'liberated' Mosul, ISIS still imperils the path to city's revival

Sweeping western Mosul of ISIS booby-traps, weapons factories, and hold-out snipers is dangerous work for Iraqi police whose goal, after a nine-month siege, is to tell returning residents 'Your house is good.'

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The first sign Ghaith Ali had that Islamic State militants were still active in “liberated” western Mosul was a mysterious square object on the floor of a house he entered to make it ready for returning families.