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

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 ...

Investigators are trying to determine why a man targeted a Pennsylvania hospital, taking workers inside the intensive care ...

A funeral service will be held later this week for the Pennsylvania police officer fatally shot while responding to a ...

The mom of the Pennsylvania officer killed in a hospital shooting says his son died a hero. Andrew Duarte's mom speaking out ...

A man who took hostages in a Pennsylvania hospital during a shooting that killed a police officer and wounded five other ...

York County District Attorney Tim Barker alleged Archangel-Ortiz held medical personnel and other staff at gunpoint in the intensive care unit of the University of Pittsburgh Medical Center Memorial ...

I truly did not see a monster. He was simply broken,” a UPMC Memorial physician assistant said of Diogenes Archangel-Ortiz.

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

Diogenes Archangel-Ortiz stormed the Pennsylvania hospital while being armed with zip ties and a revolve, killing one officer ...

Court records are providing more information on the criminal background of a man who shot multiple officers and staff members at UPMC Memorial Hospital in York ...