Five US soldiers were killed on Tuesday by insurgents, statements by the Multi National Forces said. Four soldiers assigned to the 2nd Marine Division and to the 2nd Marine Expeditionary Force (Forward), were killed in action by improvised explosive devices during two separate incidents while conducting combat operations yesterday in al-Ramadi, west of here. Meanwhile an 18th Military Police Brigade Soldier was killed 75 miles north of Baghdad when his vehicle was struck by an improvised explosive device.