FILE - In this file photo taken Monday, Dec. 8, 2014, Iraqi security forces and Shiite fighters are deployed during a military operation to regain control of the university of Tikrit, 80 miles (130 kilometers) north of Baghdad, Iraq. On Wednesday, March 4, 2015, New York-based Human Rights Watch called on the Iraqi government to protect civilians in Tikrit and allow them to flee combat zones. Its statement noted "numerous atrocities" against Sunni civilians by pro-government militias and security forces, ranging from "summary executions, revenge killings, or other abuses." (AP Photo/Hadi Mizban, File) (The Associated Press)
FILE - In this file photo taken Sunday, June 29, 2014, Iraqis leave their hometown Mosul, walking towards Irbil, on the outskirts of the northern city of Mosul, Iraq. Sunni civilians still living under the Islamic State rule in northern Iraq fear that their eventual liberation could bring a new roun...
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