A US soldier died Wednesday after coming under small arms fire from insurgents while on patrol north of Baghdad, the military said. The Multi-National Division - Baghdad Soldier died of wounds sustained the day before when the combat patrol was ambushed while providing security after discovering a roadside bomb, according to a statement. Soldiers from the unit successfully located and disposed of the roadside bomb and found a small cache, adding to the seven improvised explosive devices and four caches found earlier this month, it added. A Task Force Lightning soldier also died Tuesday in a non-combat related incident, which is under investigation, the military said in a separate statement. The deaths raise to at least 3,128 members of the US military who have died since the Iraq war started in March 2003, according to an Associated Press count.