Iraq Blasts

Family members of Tamara Ammar, 12, who was killed in a car bomb react before his burial in Najaf, 100 miles (160 kilometers) south of Baghdad, Iraq, Tuesday, March 20, 2012. Officials say attacks across Iraq have killed and wounded scores of people, police said, in a spate of violence that was dreaded in the days before Baghdad hosts the Arab world's top leaders. (AP Photo/Alaa al Marjani)

Family members of Ahmed Mohammed, 34, who was killed in a car bomb attack loads his coffin onto a vehicle before burial in Najaf, 100 miles (160 kilometers) south of Baghdad, Iraq, Tuesday, March 20, 2012. Officials say attacks across Iraq have killed and wounded scores of people, police said, in a spate of violence that was dreaded in the days before Baghdad hosts the Arab world's top leaders. (AP Photo / Alaa al Marjani)

Family members of a police officer killed in a car bomb attack carry his coffin before burial in Najaf, 100 miles (160 kilometers) south of Baghdad, Iraq, Tuesday, March 20, 2012. Officials say attacks across Iraq have killed and wounded scores of people, police said, in a spate of violence that was dreaded in the days before Baghdad hosts the Arab world's top leaders. (AP Photo/Alaa al Marjani)

A man stands at the scene of a car bomb attack in Ramadi, 70 miles (115 kilometers) west of Baghdad, Iraq, Tuesday, March 20, 2012. Officials say attacks across Iraq have killed and wounded scores of people in a spate of violence that was dreaded in the days before Baghdad hosts the Arab world's top leaders. (AP Photo)

A man, left, inspects his destroyed vehicle at the scene of a car bomb attack in Ramadi, 70 miles (115 kilometers) west of Baghdad, Iraq, Tuesday, March 20, 2012. Officials say attacks across Iraq have killed and wounded scores of people in a spate of violence that was dreaded in the days before Baghdad hosts the Arab world's top leaders. (AP Photo)

People and security forces inspect the scene of a car bomb attack in Kirkuk, 290 kilometers (180 miles) north of Baghdad, Iraq, Tuesday, March 20, 2012. Officials say attacks across Iraq have killed and wounded scores of people in a spate of violence that was dreaded in the days before Baghdad hosts the Arab world's top leaders. (AP Photo/Emad Matti)

People and security forces inspect a crater caused by a car bomb attack in Kirkuk, 290 kilometers (180 miles) north of Baghdad, Iraq, Tuesday, March 20, 2012. Officials say attacks across Iraq have killed and wounded scores of people in a spate of violence that was dreaded in the days before Baghdad hosts the Arab world's top leaders. (AP Photo/Emad Matti)

People inspect the scene of a car bomb attack in Kirkuk, 290 kilometers (180 miles) north of Baghdad, Iraq, Tuesday, March 20, 2012. Officials say attacks across Iraq have killed and wounded scores of people in a spate of violence that was dreaded in the days before Baghdad hosts the Arab world's top leaders. (AP Photo/Emad Matti)

People inspect the scene of a car bomb attack in Kirkuk, 290 kilometers (180 miles) north of Baghdad, Iraq, Tuesday, March 20, 2012. Officials say attacks across Iraq have killed and wounded scores of people in a spate of violence that was dreaded in the days before Baghdad hosts the Arab world's top leaders. (AP Photo/Emad Matti)

People inspect the scene of a car bomb attack in Kirkuk, 290 kilometers (180 miles) north of Baghdad, Iraq, Tuesday, March 20, 2012. Officials say attacks across Iraq have killed and wounded scores of people in a spate of violence that was dreaded in the days before Baghdad hosts the Arab world's top leaders. (AP Photo/Emad Matti)

A man gestures at a destroyed vehicle at the scene of a car bomb attack in Kirkuk, 290 kilometers (180 miles) north of Baghdad, Iraq, Tuesday, March 20, 2012. Officials say attacks across Iraq have killed and wounded scores of people, police said, in a spate of violence that was dreaded in the days before Baghdad hosts the Arab world's top leaders. (AP Photo/Emad Matti)