Libya's Gen. Khalifa Hifter speaks at a news conference in Abyar, a small town to the east of Benghazi, on May 31. Hifter, a former military officer in Moammar Gadhafi's army, has has launched a self-declared campaign against Muslim extremists. This has won him both supporters and enemies. Esam Omran Al-Fetori/Reuters/Landov hide caption

Kurdish peshmerga forces look at a checkpoint held by militants of the Islamic State of Iraq and Syria in Iraq's second city, Mosul, on Monday. Karim Sahib/AFP/Getty Images hide caption

Iraqis attend Mass at the Chaldean Church of the Virgin Mary of the Harvest, in Al-Qosh on June 15. Both Christians and Muslims fleeing the ISIS takeover of Mosul in northern Iraq have taken refuge in Al-Qosh, an ancient Christian village. AP hide caption

Families arrive at a checkpoint next to a temporary displacement camp on Friday in Kalak, in northern Iraq. Thousands of people have fled Iraq's second-largest city, Mosul, after it was overrun by Sunni militants. Dan Kitwood/Getty Images hide caption

Demonstrators chant in support of the group known as the Islamic State of Iraq and Syria as they wave the group's flag in front of the provincial government headquarters in Mosul, Iraq, on Monday, after the Sunni militants captured Tal Afar, another northern Iraqi town. STR/AP hide caption

New Libyan Prime Minister Ahmed Maiteg meets with his ministers for the first time, on June 2 in Tripoli. A week later, he was out of office. Mahmud Turkia/AFP/Getty Images hide caption