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

The gunman who held intensive care unit staff hostage at UPMC Memorial Hospital in Pennsylvania before killing a police ...

Diogenes Archangel-Ortiz pushed the nurse to the floor, stood on her back and fired his gun until it ran out of ammunition, ...

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

The man who authorities say entered a Pennsylvania hospital with zip ties and a pistol over the weekend had recent contact ...

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

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 gunman, armed with a handgun and carrying zip ties, went inside UPMC's ICU, and took staffers hostage before he was ...

Five were wounded and two were killed, including the shooter and a West York Police officer, at the hospital Saturday morning ...

UPMC released a statement on social media saying the hospital is "now secure" and that law enforcement is managing the ...

Even before Saturday's deadly shooting at UPMC Memorial Hospital in York County, hospitals across the commonwealth were increasing focus on security, according to Kim Yakowski, Media Relations Manager ...

Investigators are continuing to piece together the sequence of events at UPMC Memorial Hospital that led to the deaths of a West York Borough police officer and the 49-year-old who held ICU staff ...