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.

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.

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.

A gunman and a responding officer were killed after shots were fired Saturday at a hospital in central Pennsylvania.

A Pennsylvania police officer was killed and multiple people were injured after a gunman opened fire during what authorities are calling a hostage situation at UPMC Memorial Hospital in York on Feb. 22.

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.

(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.