Diogenes Archangel-Ortiz was removed from the hospital by security the previous night following a diagnosis that there was no ...

On Saturday, when a gunman walked into UPMC Memorial Hospital in West Manchester Township armed with a semiautomatic gun, he ...

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

Officer Andrew Duarte, who was born in Oakland, died in the line of duty Saturday while confronting a gunman who had taken several people hostage at a hospital in York County, Pennsylvania.

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 ...

An autopsy concluded his death was caused by being shot in the torso on Saturday inside UPMC Memorial Hospital in York.

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

A petition is hoping to inspire stricter security policies at UPMC hospitals after a gunman took hospital staff hostage in a ...

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