Dorrian noted, however, the US-led coalition against Daesh was concerned about terrorist "sleeper cells" that may have remained in the cleared parts of Mosul.
The operation to liberate the city from Daesh began on October 17, 2016.
Iraqi troops have managed to advance in the eastern part of the city, but the western part — on the right bank of the Tigris River — remains under control of the militants.
Daesh, is outlawed in the United States, Russia and numerous other countries around the world.
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