A US soldier, who would not give his name, said as many as 14 people were either injured or killed in today's car bomb blast in Baghdad.
An Associated Press reporter at the scene saw one dead body being taken away.
It was the second big car bombing in the capital in the past four days.
A suicide bomber hit a police station in the north-east Shiite Muslim slum known as Sadr City on Thursday, killing at least 10 people, including the bomber.