Militares iraquianos vistos em Shirqat, Iraque. 22/09/2016 REUTERS/Stringer

An Iraqi security forces tank is seen in Shirqat, Iraq, September 22, 2016. REUTERS/Stringer

A member of the Iraqi security forces walks past a wall painted with the black flag commonly used by Islamic State militants in Shirqat, Iraq, September 22, 2016. REUTERS/Stringer

Iraqi security forces gather in Shirqat, Iraq, September 22, 2016. REUTERS/Stringer

Iraqi security forces gather in Shirqat, Iraq, September 22, 2016. REUTERS/Stringer

Canada's Prime Minister Justin Trudeau (R) shakes hands with Chinese Premier Li Keqiang during a meeting on Parliament Hill in Ottawa, Ontario, Canada, September 22, 2016. REUTERS/Chris Wattie

Football Britain Soccer - Republic of Ireland v Oman - International Friendly - Aviva Stadium, Dublin, Republic of Ireland - 31/8/16 FAI Chief Executive John Delaney in the stands Reuters / Clodagh Kilcoyne Livepic EDITORIAL USE ONLY. - RTX2NQKA

The port side damage to the guided missile destroyer USS Cole is pictured after a bomb attack during a refueling operation in the port of Aden in this October 12, 2000 file photo. REUTERS/Aladin Abdel Naby/Files