Developments in Iraq

This image from video posted by Iraqi0Revolution, a group supporting ISIL, shows a militant standing in front of a burning Iraqi Army Humvee in Tikrit, Iraq, June 11, 2014.

This image made from video posted by Iraqi0Revolution, a group supporting ISIL, shows militants at the Al-Sharqat base north of Tikrit, Iraq, June 11, 2014.

Kurdish police stand guard while refugees from Mosul head to the self-ruled northern Kurdish region outside Irbil, Iraq, June 11, 2014.

A refugee from Mosul stands outside her family's tent at Khazir refugee camp outside Irbil, Iraq, June 11, 2014.

Iraqi security forces head to Baghdad on the main road between Baghdad and Mosul, a day after fighters from the Islamic State of Iraq and the Levant took control of much of Mosul, Iraq, June 11, 2014.

Iraqi security forces leave a military base as Kurdish forces take over control in Kirkuk, Iraq, June 11, 2014.

A burnt vehicle belonging to Iraqi security forces is seen on a road one day after insurgents seized control of the city of Mosul, June 10, 2014.

Damaged vehicles belonging to Iraqi security forces are seen during clashes between Iraqi security forces and the Islamic State in Iraq and the Levant in Mosul, Iraq, June 10, 2014.