TYRONE, Pa. — State police fire marshals have been trying to determine what caused a central Pennsylvania house fire that killed a man.

Autopsy results and the name of the victim have not been released by the Blair County coroner.

The man was found dead after flames destroyed his Snyder Township home early Tuesday. The fire was reported about 3:10 a.m.

Heavy equipment was needed to dig through the home for the victim’s remains.