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

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

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 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, ...

Police have released photos of the person believed to have fired shots on the campus of Thaddeus Stevens College of ...

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