Children sit in a trolley as displaced people from Ramadi cross Bzabz bridge 65 km west of Baghdad, Iraq, Saturday, April 18, 2015. Thousands of displaced people form Ramadi city continue to pour to Baghdad, fleeing the ongoing fighting in Anbar provincial capital between Iraqi security forces and fighters from Islamic State militant group. (AP Photo/Karim Kadim)
Mideast Iraq
Children sit in a trolley as displaced people from Ramadi cross Bzabz bridge 65 km west of Baghdad, Iraq, Saturday, April 18, 2015. Thousands of displaced people form Ramadi city continue to pour to Baghdad, fleeing the ongoing fighting in Anbar provincial capital between Iraqi security forces and fighters from Islamic State militant group. (AP Photo/Karim Kadim)