From YahooNews:

BAGHDAD - Five American soldiers were killed and seven wounded in a coordinated attack in southern Baghdad involving a roadside bomb and rocket-propelled grenades, the U.S. military announced Friday.

The soldiers were on a combat patrol when a roadside bomb exploded near them on Thursday, the military said in a statement. Shortly after the blast, insurgents attacked with small arms fire and rocket-propelled grenades, it said.