Turmoil in Iraq as Extremist Militants Make Gains

Members of the Iraqi Special Operations Forces take their positions during clashes with the al Qaeda-linked Islamic State of Iraq and the Syria (ISIS) in the city of Ramadi, June 19.

A satellite image shows smoke rising from the Baiji refinery near Tikrit, Iraq, June 18.

Al-Qaeda inspired militants stand with captured Iraqi Army Humvee at a checkpoint belonging to Iraqi Army outside Baiji refinery some 155 miles north of Baghdad, June 19.

Mehdi Army fighters loyal to Shiite cleric Moqtada al-Sadr march during a military-style training in the holy city of Najaf, June 17.

Newly-recruited Iraqi volunteers, wearing police forces uniforms, take part in a training session on June 17 in the central Shiite city of Karbala.

Personnel from the Kurdish security forces detain a man suspected of being a militant belonging to the al Qaeda-linked Islamic State in Iraq and Syria (ISIS) in the outskirts of Kirkuk June 16.

Shiite tribal fighters raise their weapons and chant slogans against the al-Qaida-inspired Islamic State of Iraq and Syria (ISIS) in Basra, June 16.

Demonstrators chant pro-al-Qaida-inspired Islamic State of Iraq and Syria (ISIS) as they carry al-Qaida flags in front of the provincial government headquarters in Mosul, June 16.

Iraqi security forces fire artillery during clashes with Sunni militant group Islamic State of Iraq and Syria (ISIS) in Jurf al-Sakhar June 14.

An Iraqi security forces member with his weapon takes position as people, who fled from the violence in Mosul, arrive in their vehicles at a camp for internally displaced people on the outskirts of Erbil in Iraq's Kurdistan region June 14.

People hold posters showing Iran's spiritual leaders Ayatollah Khomeini, while Iraqi Shiite fighters deploy with their weapons in Basra, June 14.

Shiite men, some of them wearing military fatigues and guns given by the government, raise their weapons as they gather in the Iraqi town of Jdaideh in the Diyala province on June 14, to show their support for the call to arms by Shiite cleric Grand Ayatollah Ali al-Sistani.

Men board military trucks to join the Iraqi army at the main recruiting center in Baghdad on June 14, after authorities urged Iraqis to help battle insurgents.

Peshmerga military direct traffic at a Kurdish checkpoint on June 14, in Kalak.

Traffic from Mosul queues at a Kurdish checkpoint on June 14,in Kalak.

Iraqi women gather at a temporary camp set up to shelter civilians fleeing violence in northern Nineveh province in Aski Kalak, 25 miles west of Erbil, on June 13.

Iraqi children carry water to their tent at a temporary displacement camp set up next to a Kurdish checkpoint on June 13 in Kalak.

A Shiite man cleans weapons as he gets ready to defend his Sadr City district in case of an attack by Sunni extremists, on June 13 in Baghdad.

An Iraqi soldier bodychecks men as they arrive to volunteer to join the fight against a major offensive by jihadists in northern Iraq on June 13, at a recruiting center in Baghdad.

Iraqi policemen dig trenches at checkpoint in the Iraqi town of Taji, at the entrance of Baghdad, on June 13, as security forces are bolstering defenses in the capital.

Men chant slogans against the al-Qaida breakaway group Islamic State of Iraq and Syria (ISIS), outside of the main army recruiting center to volunteer for military service in Baghdad on June 12.

An Iraq army vehicle is burned by militants in Mosul on June 12.

Refugees fleeing from Mosul head to the semi-autonomous northern Kurdish region in Erbil, north of Baghdad, June 12, 2014.

Families fleeing the violence in the Iraqi city of Mosul arrive at a checkpoint on the outskirts of Erbil, in Iraq's Kurdistan region June 12.

ISIS fighters stand guard at a checkpoint in the northern Iraq city of Mosul on June 11.

Children stand next to a burned-out vehicle during clashes between Iraqi forces and the Islamic State of Iraq and Syria in the northern Iraqi city of Mosul on June 10.