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 ...

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 ...

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

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

Family members of patients at UPMC Memorial Hospital are waiting across the street from the facility hours after a gunman ...

Authorities say a shooter entered UPMC Memorial Hospital's ICU and took staff members hostage before he was killed by police ...

Workers at a Pennsylvania hospital who were injured during a shooting that left the gunman and a police officer dead are ...