Fighters from the Islamic State group parade down a main road in the northern city of Mosul, Iraq. A Yazidi woman nicknamed Dudu tells the story of how she was kidnapped by ISIS along with her sisters and other women, to be sold and married off. AP Photo hide caption

Islamic State fighters in the northern Iraqi city of Mosul parade through the streets shortly after capturing it in June. U.S. airstrikes have made the group wary and less visible, but the Islamic State still has control of Iraq's second-largest city. STR/AP hide caption

Islamist fighters in the Libya Dawn coalition guard the entrance of the Tripoli International Airport on Sunday. After days of battles, they captured it from forces aligned with rogue general Khalifa Hifter. Mahmud Turkia/AFP/Getty Images hide caption

Smoke rises from buildings in May after shelling on the Iraqi city of Fallujah, which is currently held by anti-government fighters. Rights workers say civilians are being killed by government attacks with so-called barrel bombs. Sadam el-Mehmedy/AFP/Getty Images hide caption

People walk by a damaged police station in Mosul on July 15. The militants of the Islamic State are in control of the key city and have acted against former members of Saddam Hussein's regime who helped them drive out the Iraqi army last month. AP hide caption

Thousands of Iraqis fleeing Sunni extremists fled to the Kurdish city of Erbil, where they lined up here on June 12 at a checkpoint before entering. EPA /LANDOV hide caption

Egyptians gather at a petrol station in Cairo as the government drastically raised fuel prices to tackle a bloated subsidy system on July 5. Mahmoud Khaled/AFP/Getty Images hide caption