On Saturday, when a gunman walked into UPMC Memorial Hospital in West Manchester Township armed with a semiautomatic gun, he ...

A gunman who held medical staff hostage before killing a police officer and wounding five others at a hospital in ...

The gunman who held intensive care unit staff hostage at UPMC Memorial Hospital in Pennsylvania before killing a police ...

Diogenes Archangel-Ortiz pushed the nurse to the floor, stood on her back and fired his gun until it ran out of ammunition, ...

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

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

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

Lester Mendoza, a physician assistant at UPMC Memorial Hospital in York, said he helped tell the shooter a loved one had ...

Authorities said the suspect held hospital workers hostage, opened fire and shot people including a doctor, a nurse, a ...

Even before Saturday's deadly shooting at UPMC Memorial Hospital in York County, hospitals across the commonwealth were increasing focus on security, according to Kim Yakowski, Media Relations Manager ...

Pieced together through 911 dispatches and other sources, here's how everyday heroes responded to a hostage situation and killing of a police officer.

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