PENNSBURG, Pa. (WPVI) -- A Montgomery County pediatrician has been arrested on charges of possessing sexual explicit images of children.48-year-old David Kennedy of Pennsburg has been charged with five counts of Sexual Abuse of Children and Criminal Use of a Communications Facility.Detectives were contacted on Monday by a nurse practitioner at Personal Care Pediatrics regarding sexually explicit images of children on a cell phone belonging to the medical practice.Authorities say the nurse practitioner had been given a new iPhone by the office in order to handle after-hours phone calls for the pediatrician's office over the Thanksgiving holiday.In the course of using the phone, she discovered sexually graphic photos of children and other sexual images.The investigation revealed that the images belonged to Kennedy, authorities say.Kennedy was arrested on Monday.Bail was set at $250,000.Kennedy failed to make bail and was remanded to the Montgomery County Correctional Facility.The case remains under investigation.Anyone with additional information is asked to call Montgomery County Detectives at 610-278-3368.