A suicide car bomb in a busy Baghdad street has killed a young girl and a policeman assigned to guard a minister.
Dozens of bombs have hit since the interim government was formed
Eight people were also wounded by the blast in the Amariyah district, said a doctor at Baghdad's Yarmouk hospital.
More than 20 car bombs have exploded this month in the run-up to a handover of sovereignty to an interim Iraqi government on 30 June.
The US army has also announced that one of its troops was killed and six others wounded in a mortar attack on Monday.
More than 500 US troops have been killed in combat since Washington declared an end of major military operations in May 2003 following the fall of Saddam Hussein's government.
Researchers say that some 10,000 Iraqi civilians have died in violence since the US launched its invasion of Iraq in March 2003.
Neither of the victims of the latest car bombing was named, although police sources quoted by al-Arabiya television said the dead officer had been assigned to the minister-of-state Adnan al-Janabi.
It is not known if the minister was a target of the attack.
The girl - who is reported to have been three years old - was in a parked car waiting for relatives to come out of a restaurant when the blast went off.