Pennsylvania police are searching the area around Jim Thorpe, Penn. for 12-year-old Mason Pachulski, who was last seen between 7 and 7:30 a.m. in his family's backyard.

He was wearing khaki shorts, a dark blue/black polo shirt and sneakers. He is 4'8” with red hair and blue eyes. He also wears framed glasses.

His father, IT security professional Keith Pachulski, told that local and state police were searching the surrounding area, as well as the mountain behind their house.

Anyone with information about his whereabouts should call the Jim Thorpe Police Department at 570-325-4995 or Pennsylvania State Police at 717-783-5599.

UPDATE: Keith reported via Twitter that his son, Mason, was found Monday evening. No additional details were provided.