A teenager confirmed to police that his father assaulted his girlfriend, officials said.

Scott B. Peterson punched his girlfriend, Annette Gibson, in the face at about 4:40 a.m. Saturday in his home at 4373 Bayard St., Bethlehem Twp., Northampton County, officials said.

When police arrived, they were told by Peterson's son that his father had hit Gibson, officials said, adding that the woman was found hiding in the basement of Peterson's home with a bruise and swelling on the left side of her face.

Peterson, 41, was arraigned on assault and harassment charges and committed to the Northampton County Prison on $2,500 bail, according to court documents.

A preliminary hearing is set for 9 a.m. Dec. 4.