A physician’s assistant at UPMC Memorial Hospital claims he delivered devastating news to Diogenes Archangel-Ortiz in the ...

Lester Mendoza, who specializes in pulmonary critical care, was present when the perpetrator was informed about his loved one's death.

An officer was killed and multiple people were injured in a shooting reported at UPMC Memorial Hospital in York County, ...

Lester Mendoza, a physician assistant at UPMC Memorial Hospital in York, said he helped tell the shooter a loved one had ...

The gunman who held intensive care unit staff hostage at UPMC Memorial Hospital in Pennsylvania before killing a police officer and injuring five other people Saturday believed that more could have ...

Diogenes Archangel-Ortiz on Saturday killed a police officer during a hostage situation at UPMC Memorial Hospital in York ...

Police have released an old booking photo for a man who shot and killed a police officer and injured several others in a hostage-taking incident at a south-central Pa. hospital Saturday morning.

There's a spotlight on the safety of U.S. healthcare workers and the challenge of protecting them. It comes on the heels of a ...

Longtime MSNBC host Rachel Maddow sounded off during a Monday night broadcast of “The Rachel Maddow Show” on the network’s ...

Pieced together through 911 dispatches and other sources, here's how everyday heroes responded to a hostage situation and ...

Officials are investigating a possible motive that led to a man entering the UPMC Memorial Hospital ICU where several staff members were shot and taken hostage on Saturday.

Officials have released a mugshot of the gunman involved in the UPMC Memorial Hospital shooting that killed a West York police officer. The shooter, identified as Diogenes Archangel-Ortiz, entered the ...