YORK, Pa. - . The BriefA possible motive for the deadly hospital shooting in York, Pennsylvania, is still unknown.Officials say the suspect had recent contact with the ICU "for a medical purpose."The hospital remained closed to visitors on Sunday.

A gunman who held medical staff hostage before killing a police officer and wounding five others at a hospital in south-central Pennsylvania Saturday is believed to have visited the facility in the days leading up to the incident,

A 49-year-old gunman was shot and killed by police after they said he held multiple UPMC staff members hostage and shot multiple people.