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,

A West York Borough police officer and a gunman were killed a shooting Saturday morning that injured multiple staffers at UPMC Memorial Hospital in York County, Pennsylvania, the district attorney said.

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.

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.

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

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.

Anguish and anger at the very recent loss of a loved one apparently spurred on the man who would target the intensive care unit at a Pennsylvania hospital Saturday morning, a senior law enforcement official briefed on the investigation told ABC News.