A Prince George's County man and member of the D.C. National Guard was killed by a roadside bomb in Iraq Wednesday, the Department of Defense said Friday.

 Staff Sgt. Robin L. Towns Sr., 52, of Upper Marlboro, died of injuries suffered in blast that hit his Humvee in Bayji, Iraq. He was a member of 275th Military Police Company, 372nd Military Police Battalion, Washington, D.C., National Guard.

 Additional details were unavailable. At least 71 people from Maryland have been killed in the war on Iraq, including 16 this year.