Western Pa. Marine is killed in Afghanistan

SHARON, Pa. - A Marine from western Pennsylvania has been killed in Afghanistan.

Carol Wallace said her son, Sgt. David Wallace, 25, was killed by an improvised explosive device Tuesday in Helmud Province. He lived in Sharpsville, Pa., near the Ohio border in Mercer County.

Also killed, the Defense Department said, was Sgt. Trevor J. Johnson, 23, of Forsyth, Mont. Both were assigned to the Second Combat Engineer Battalion, Second Marine Division, II Marine Expeditionary Force, in Camp Lejeune, N.C.

Wallace said her son was a combat engineer whose duties included removing and exploding bombs, conducting searches and doing construction. He is survived by his wife, a 5-year-old stepson, and a 2-year-old daughter.

- AP