Iraqi National police stand guard at a checkpoint in central Baghdad, Iraq, Sunday, June 28, 2009. A heavy sandstorm has blanketed Iraq's capital, Sunday, closing the Baghdad airport and sending dozens of people to the hospital with respiratory problems.
An Iraqi woman looks at her destroyed car after a car bombing in the parking lot of a police academy in western Baghdad, Iraq, Sunday, June 28, 2009.
Iraqis load destroyed motorcycles in Baghdad, Iraq, Friday, June 26, 2009. A booby-trapped motorcycle exploded in a crowded bazaar Friday in Baghdad, less than a week before a deadline for U.S. combat troops to leave Iraq's urban areas.
Umm Aabas weeps as she sits next to her son after he was wounded in a bombing in the main Shiite district in Baghdad, Iraq, Thursday, June 25, 2009. A bomb ripped through a crowded market on Wednesday, less than a week before a deadline for U.S. combat troops to leave Iraq's urban areas.
A Humvee is engulfed in flames after a roadside bomb attack in eastern Baghdad, Iraq, Thursday, June 25, 2009.
Residents stand at the site of a bombing in the main Shiite district in Baghdad, Iraq, Thursday, June 25, 2009.
Men carry the coffin of a relative killed in a bombing in the main Shiite district in Baghdad, Iraq, Thursday, June 25, 2009.
Children walk through the site of a bombing in the main Shiite district in Baghdad, Iraq, Thursday, June 25, 2009.
A woman is overcome by grief for a relative killed in a bombing in the main Shiite district in Baghdad, Iraq, Thursday, June 25, 2009.
A U.S. Army soldier is seen at the archaeological site of Babylon, about 50 miles south of Baghdad, Iraq, Wednesday, June 24, 2009.
U.S. Army soldiers from the 37th Engineer Company pose for a photograph at the Crossed Swords monument in the Green Zone in Baghdad, Iraq, Wednesday, June 24, 2009.
An Iraqi soldier stands guard in the Shiite enclave of Sadr City in Baghdad, Iraq, Wednesday, June 24, 2009.
An Iraqi soldier stands guard in the Shiite enclave of Sadr City in Baghdad, Iraq, Wednesday, June 24, 2009.
Iraqi shop owners clear debris a day after a parked motorcycle loaded with explosives blew up in a market at Husseiniya, northeast of Baghdad, Iraq, Tuesday, June 23, 2009.
Iraqi National Police are trained by Italian Carabinieri (paramilitary police) during an exercise in Baghdad, Iraq, Tuesday, June 23, 2009.
Iraqi shop owners clear debris a day after a parked motorcycle loaded with explosives blew up in a market at Husseiniya, northeast of Baghdad, Iraq, Tuesday, June 23, 2009.
Firas Ahmed is treated for his wounds after a bombing in Baghdad, Iraq, Monday, June 22, 2009. Deadly bombings hit the Baghdad area on Monday as Iraqi officials braced for new violence ahead of a planned withdrawal next week of U.S. troops from major cities and urban areas.
A car bomb is towed from the scene of an attack in central Baghdad, Iraq, Monday, June 22, 2009.
Bystanders are seen through the broken windshield of a minibus damaged in a bombing in Baghdad, Iraq, Monday, June 22, 2009.
Minibus driver Abdul Kareem Hussein, center, and his brother survey the damage to his vehicle after a roadside bombing in Baghdad, Iraq, Monday, June 22, 2009.