Baghdad, Iraq ? Three American soldiers died in a mortar attack and a roadside bombing.

The U.S. military reported two soldiers from the 205th Military Intelligence Brigade were killed when mortars struck a U.S. base at the Abu Ghraib prison on the western outskirts of Baghdad about 10 p.m. Saturday. Thirteen other soldiers were wounded in the attack.

Shortly before the Abu Ghraib shelling, a soldier from the 3rd Armored Cavalry Regiment was killed when a roadside bomb exploded near his Humvee outside Ramadi, about 60 miles west of the capital, the military said.

Those deaths brought to 166 the number of American soldiers killed in Iraq since President Bush declared an end to major fighting on May 1. During the heavy fighting before then, 138 soldiers died.

The latest deaths brought to 304 the number of U.S. soldiers who have died in Iraq.