An 81-year-old Northampton County man was killed when the vehicle he was driving struck a tree around 6 p.m. April 28 in front of 3914 Mauch Chunk Road, North Whitehall Township.

Robert Drey, of Lehigh Township, was pronounced dead by Lehigh County Deputy Coroner Richard Kroon at 6:40 p.m. at the scene, Lehigh County Coroner Scott Grim said.

According to the coroner’s office, an autopsy was performed April 30 to determine the cause and manner of Drey’s death.

Grim said the cause of Drey’s death is attributed to multiple blunt force injuries. He said he ruled his death an accident.

Grim said, in addition to his office, State Police Troop M, Bethlehem, are investigating the crash.

No additional information was available from police by press time.