Shiite pilgrims gather at the Imam Mousa al-Kazim shine to commemorate the revered imam's eighth century death in northern Baghdad, Iraq on Friday, July 17, 2009.
A worker is seen in the Nahran Omar oil refinery near Basra, Iraq's second-largest city, 340 miles southeast of Baghdad, Friday, July 17, 2009.
Shiite women are cooled off by water as they make their pilgrimage to the shrine of Imam Moussa al-Kadhim in Baghdad, Iraq, Thursday, July 16, 2009.
An Iraqi football fan wears a mask of Iraq's late dictator, Saddam Hussein, during a match between the Najaf football and Irbil football teams in the final match for the Iraqi National league in Baghdad, Iraq, Thursday, July 16, 2009.
A man walks past the remains of a funeral tent the morning after a bomb attack in the Shiite enclave of Sadr City in Baghdad, Iraq, Thursday, July 16, 2009.
An Iraqi policeman sips tea as Shiite pilgrims head to the shrine of Imam Moussa al-Kadhim in Baghdad, Iraq, Thursday, July 16, 2009.
A wounded man winces as he is treated after a bomb attack on a funeral in the Shiite enclave of Sadr City in Baghdad, Iraq, Wednesday, July 15, 2009.
Iraqi policemen stand guard outside the Seventh-day Adventist Church in Baghdad, Iraq, following attacks on several churches, Wednesday, July 15, 2009.
Family and comrades grieve as they escort the coffin of slain Iraqi traffic policeman Hussein Qassim, 19, in Baghdad, Iraq, Wednesday, July 15, 2009.
Supporters of the Iraqi Communist Party march in Baghdad, Iraq, Tuesday, July 14, 2009. The demonstrators marked July 14, 1958, coup that toppled the Iraqi monarchy and brought to power left-leaning nationalist Abdul Karim Qassem. Communists were not allowed to march under the regime of Saddam Hussein.
Iraqi security forces march during a funeral procession for Iraqi traffic policemen Hussein Qassim, 19, and Jassim Shuwaili, 24, in Baghdad, Iraq, Wednesday, July 15, 2009.
Iraqi officers celebrate their graduation from Kalachwalan military college in Sulaimaniyah, 160 miles northeast of Baghdad, Iraq, Tuesday, July 14, 2009.
Iraqi police stand outside a Christian church the morning after a car bomb attack in Baghdad, Iraq, Monday, July 13, 2009. The bomber struck just as worshippers left Sunday Mass, one of several attacks in Christians in the Iraqi capital that left at least four dead.
Iraqis sift through wreckage after a bombing near a Christian church and a mosque, in Mosul, 225 miles northwest of Baghdad, Iraq, Monday, July 13, 2009.
A shopkeeper tends to damage from a roadside bomb in the Karrada neighborhood of Baghdad, Iraq, Monday, July 13, 2009. A passing police patrol struck the bomb, killing at least one police officer and wounding several, police said.
A locked gate to a Christian church is seen, in Baghdad, Iraq, Monday, July 13, 2009.
An Iraqi policeman stands guard outside a Christian church in the Dora neighborhood of Baghdad, Iraq following attacks on several churches, Monday, July 13, 2009.
Iraqi police stand outside a Christian church the morning after a car bomb attack in Baghdad, Iraq, Monday, July 13, 2009.
Iraqi police stand outside a Christian church the morning after a car bomb attack in Baghdad, Iraq, Monday, July 13, 2009.
An Iraqi policeman stands guard outside a Christian church in the Dora neighborhood of Baghdad, Iraq following attacks on several churches, Monday, July 13, 2009.