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MOSUL, IRAQ - JULY 10: A man suspected of being an Islamic State militant is detained by the Iraqi Army in the Old City district on July 10, 2017 in Mosul, Iraq. The Iraqi government and armed forces have declared victory but fighting continues. (Photo by Martyn Aim/Corbis via Getty Images)

MOSUL, IRAQ - JULY 10: A man suspected of being an Islamic State militant is detained by the Iraqi Army in the Old City district on July 10, 2017 in Mosul, Iraq. The Iraqi government and armed forces have declared victory but fighting continues. (Photo by Martyn Aim/Corbis via Getty Images)