A man was killed in an accident on Route 51 early yesterday morning, and a woman died in an East Liberty crash soon afterward.

According to the Allegheny County medical examiner's office, Christopher Trosky, 23, crashed his car into a utility pole around 2 a.m. on Route 51 near Lewis Street in Duquesne Heights, close to the entrance to the Parkway West.

In a separate accident moments later, Jamie Ricker, 30, of Massillon, Ohio, was killed when the car she was driving collided with another vehicle at Centre and South Negley avenues in East Liberty around 2:15 a.m. Three other people were injured in that accident.

Mr. Trosky and Ms. Ricker died of blunt force trauma to the head and chest, according to the medical examiner's office.

Police are investigating.