A mass shooting at UPMC Memorial Center has left the gunman and a police officer killed and multiple hospital staff injured.

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

Violence against healthcare workers is on the rise as seen by an attack at a Pennsylvania hospital. A gunman took hostages ...

The man accused of opening fire on a suburban Chicago Independence Day parade, killing seven people, is about to stand trial, ...

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

Two former Ocean City police officers were killed in separate shootings over the weekend, one in Virginia and another in ...

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

The mother of the police officer who was killed while responding to a shooting at a Pennsylvania hospital is speaking out. It ...

Investigators were still piecing together what happened a day after a man armed with a pistol and carrying zip ties entered a ...

The chief of the Northern York Regional Police Department said one of the officers injured in Saturday's mass shooting at ...

The officer killed while responding to a shooting and hostage situation at a Pennsylvania hospital on Saturday had celebrated ...

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