U.S. troops battled insurgents in fierce fighting that killed at least 12 people in the volatile Sunni city of Ramadi, the military said Thursday. Iraqi authorities said the dead included women and children. The six-hour firefight began after the U.S. troops were attacked by insurgents with small-arms fire and rocket-propelled grenades Wednesday evening in eastern Ramadi, said Marine spokesman 1st Lt. Shawn Mercer. Full Story