By Sadie Gurman
SOUTH STRABANE, Penn. — An off-duty South Strabane police officer and a truck driver were killed yesterday in a chain-reaction crash that shut down Interstate 70 in Washington County for more than seven hours.
Police Officer Nathaniel Burnfield, 27, was pronounced dead about 3:15 p.m. at the scene of the crash, which occurred in westbound lanes of I-70 near the Bentleyville exit in Fallowfield.
Pa. officer, truck driver killed in crash