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

Investigators are trying to determine why a man targeted a Pennsylvania hospital, taking workers inside the intensive care ...

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

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 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.

The hospital confirmed that all staff members of UPMC Memorial are medically stable and progressing in their recovery.

UPMC released a statement on social media saying the hospital is "now secure" and that law enforcement is managing the situation.