GRAY, Pa. -- State Police in Somerset have arrested a suspect who they said beat a man twice his age to death.

Shawn Shaulis, 34, of Friedens, is charged with criminal homicide for the death of Thomas F. Williams, of Greensburg.

Police said at about noon on Thursday, Shaulis and Williams were doing work at a house owned by Williams.

Shaulis is accused of fatally assaulting Williams and then hiding his body in the house on Beam Church Road.

When Williams was reported missing on Friday, police searched the house and found his body.

Based upon witness interviews, Shaulis was named as a suspect. A state trooper spotted Shaulis driving a car in Somerset Township and attempted to stop him.

Shaulis attempted to flee, first behind the wheel and then on foot, but he was apprehended and taken into custody.

A press conference will be held at 10 a.m. Monday with additional details. Watch Channel 11 News at noon for the latest.