Images from Iraq

A Shi'ite volunteer who joined the Iraqi army to fight against predominantly Sunni militants from the radical Islamic State of Iraq and the Levant looks on during a parade in Kanaan, Iraq, June 26, 2014.

Shi'ite volunteers who joined the Iraqi army to fight against predominantly Sunni militants from the radical Islamic State of Iraq and the Levant take part in a parade in Kanaan, Iraq, June 26, 2014.

Fleeing Iraqi citizens from Mosul and other northern towns sit in a pick up truck between Mosul and Irbil, northern Iraq, June 25, 2014.

An Iraqi woman who fled her village holds her daughter near a Kurdish checkpoint, in the Khazer area between Mosul and Irbil, northern Iraq, June 26, 2014.

Members of the Iraqi security forces take their positions during an intensive security deployment west of Baghdad, June 24, 2014.

Members of Iraqi security forces take their positions along a road during an intensive security deployment west of Baghdad, June 24, 2014.

A military convoy drives towards Kirkuk, to reinforce Kurdish Peshmerga troops, Iraq, June 24, 2014.

Kurdish regional President Massoud Barzani listens to U.S. Secretary of State John Kerry during a meeting at the presidential palace in Irbil, Iraq, June 24, 2014.

Kurdish security forces take their positions at a checkpoint on a highway between the Iraqi city of Mosul and the Kurdish city of Irbil, in Khazer, northern Iraq, June 24, 2014.

U.S. Secretary of State John Kerry meets with Iraqi Prime Minister Nouri al-Maliki in Baghdad, June 23, 2014.

U.S. Secretary of State John Kerry speaks with Sayyed Amar Al-Hakim, head of Supreme Islamic Council, during a meeting in Baghdad, June 23, 2014.

A fighter with the Islamic State of Iraq and the Levant distributes a copy of the Quran, Islam's holy book, to a driver in central northern city of Mosul, Iraq, June 22, 2014.