U.S. forces in the northern city of Mosul came under attack Wednesday as insurgents fired rocket-propelled grenades at a convoy and barracks, and a hand grenade exploded near another military convoy in the city center. Two Iraqi civilians were killed when a rocket-propelled grenade struck their car after apparently missing a military convoy, Sgt. Chris Ryder said. An American soldier also was wounded. An Iraqi teenager was also killed in a hand grenade blast near Mosul’s city hall, hospital sources said. Two others teens and a U.S. soldier were wounded. No casualties were reported in the earlier attack on the barracks, the U.S. military said. Separately, a U.S. soldier died of wounds sustained from a “non-hostile gunshot” at a Baghdad checkpoint, the military said. Full Story