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

The mother of a police officer spoke on the memory of her son after he died responding to a hospital shooting.

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

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

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

A 21-year-old suspect allegedly planned an attack on police "similar to the 2016 Dallas ambush," the FBI's Houston office ...

Coloradans are honoring a former Denver police officer who was killed in the line of duty during a hostage situation at a Pennsylvania hospital.

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 ...