The Department of Defense announced today that Pfc. Evan W. O'Neill, 19, of Haverhill, Mass., was killed on Sept. 29 in Shkin, Afghanistan. O'Neill was on patrol when he was engaged by enemy forces. He died of injuries sustained during the attack.

O'Neill was assigned to 1st Battalion, 87th Infantry Regiment, 10th Mountain Division, Fort Drum, N.Y.

The incident is under investigation.