Tuesday's news conference came as it emerged that the U.S. military was investigating reports that American soldiers executed 11 Iraqi civilians, including four children and a baby.
An Iraqi police report obtained by the Knight Ridder news agency said five children under school age, four women and two men were shot dead by U.S. troops during a raid on a house near the city of Balad last Wednesday.
The house in the village of Abu Sifa was then blown up, the report, which is signed by Iraqi police officers, says.
After listing other incidents in the area, the official report for March 15 states: "American forces used helicopters to drop troops on the house of Faiz Harat Khalaf situated in the Abu Sifa village of the Ishaqi district.
"The American forces gathered the family members in one room and executed 11 people, including five children, four women and two men, then they bombed the house, burned three vehicles and killed their animals."
Among victims the report lists two five-year-old children, two three-year-olds and a six-month-old baby
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