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,

Authorities described the shooting of a gunman who opened fire at a Pennsylvania hospital as “absolutely justified, beyond any and all doubt.”

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.

A gunman, armed with a handgun and carrying zip ties, went inside UPMC's ICU, and took staffers hostage before he was ultimately killed by police in a shootout, the York County DA said.

An officer was killed, and six others were injured after a man armed with a pistol and zip ties entered into a Pennsylvania hospital's intensive care unit Saturday afternoon. Police were called to UPMC Memorial Hospital on Innovation Drive and Roosevelt Avenue in York County,

(CNN) — A police officer was killed and five other people were wounded when a man took medical staff hostage and opened fire at a York, Pennsylvania, hospital on Saturday morning, officials said. The gunman, identified by authorities as Diogenes Archangel Ortiz, 49, was also killed, authorities said.

Police shot the gunman dead, authorities say. "Our West York Borough family is suffering a painful loss today in response to a tragic mutual aid call earlier today in West Manchester Township at UPMC,