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

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,

Two former Ocean City police officers were killed in separate shootings over the weekend, one in Virginia and another in Pennsylvania, the Ocean City Police Department said Sunday.

The man who authorities say entered a Pennsylvania hospital with zip ties and a pistol over the weekend had recent contact with the hospital's intensive care unit, where he took staff members hostage and was killed in a shootout that left a police officer dead and others injured.

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.

Cops encountered Archangel-Ortiz holding a female staffer at gunpoint with her hands bound, officials said. The officers engaged Archangel-Ortiz in a firefight, killing him. Archangel-Ortiz wounded two cops and killed a third, who was identified as Andrew Duarte, 30, of the West York Borough Police Department.

One officer was killed and at least five others were were shot in a hostage situation at a hospital in York County, Pennsylvania, according to state officials.

(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.