Baghdad

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Islamic State group members hold their weapons in Fallujah, 40 miles (65 kilometers) west of Baghdad, Iraq, Feb. 12, 2014. (Associated Press) ** FILE **

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A U.S. Marine provides security in Baghdad. (Associated Press) ** FILE **

In this Sunday, Sept. 28, 2014 photo, an Iraqi Shiite militiaman aims his weapon after clashes with militants from the Islamic State group, in Jurf al-Sakhar, 43 miles (70 kilometers) south of Baghdad, Iraq. (AP Photo)

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Iraqi parliament speaker, Salim al-Jabouri, a Sunni, speaks about the Friday attack on the Musab bin Omair Mosque, which killed more than 60 people and escalated sectarian tensions, during a press conference in Baghdad, Iraq, Saturday, Aug. 23, 2014. Al-Jabouri said an investigation is underway into the attack on the Sunni mosque in Imam Wais village, northeast of Baghdad. If the attack proves to have been carried out by Shiite militiamen it would deal a major blow to prime minister-designate Haider al-Abadi efforts to reach out to the country's Sunni minority, whose grievances are seen as fueling the Islamic State insurgency. (AP Photo/Karim Kadim)

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Kurdish forces, known as peshmerga, retook parts of Mosul Dam on Sunday, less than two weeks after Baghdad's vital water source was captured by Islamic State fighters. (Associated Press)

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New Iraqi Prime Minister Haider al-Ibadi, a Shiite, has gotten votes of confidence from American and Iranian leaders about building a unity government in Baghdad. (associated press)

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** FILE ** The Badr Brigade, a Shiite militia comprised of 10,000 members, is teaching women basic marksmanship in the event that ISIL terrorists converge on Baghdad. (Image: CNN screenshot)