
Iraqi security forces prepare to attack Islamic State extremist positions during clashes in Tikrit, 130 kilometers (80 miles) north of Baghdad, Iraq, Saturday, March 28, 2015. (AP Photo/Khalid Mohammed)
Iraqi security forces prepare to attack Islamic State extremist positions during clashes in Tikrit, 130 kilometers (80 miles) north of Baghdad, Iraq, Saturday, March 28, 2015. (AP Photo/Khalid Mohammed)