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,

Several people were wounded in the Pennsylvania hospital shooting on Feb. 22Days before a hostage situation turned deadly, a physician assistant says he spoke to the man who killed a police officer and wounded staff at a Pennsylvania hospital and told him his loved one had died.

A police officer is dead, and the gunman was shot and killed Saturday after he took staff members hostage and wounded multiple people at a central Pennsylvania hospital, according to York County District Attorney Tim Barker.