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 funeral service will be held later this week for a Pennsylvania police officer who was killed last weekend while responding ...

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 ...

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

One officer was killed and at least five others were were shot in a hostage situation at a hospital in York County, ...

A Pennsylvania man who died in a shootout with police while taking hostages in a hospital ICU had apparently lost a loved one ...

Authorities said the suspect held hospital workers hostage, opened fire and shot people including a doctor, a nurse, a ...

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

The suspect, Diogenes Archangel Ortiz, entered the hospital with handgun and zip ties Saturday morning and took several staff ...

An officer was killed, and six others were injured after a man armed with a pistol and zip ties entered into a Pennsylvania ...