Diogenes Archangel-Ortiz on Saturday killed a police officer during a hostage situation at UPMC Memorial Hospital in York ...

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 gunman, armed with a handgun and carrying zip ties, went inside UPMC's ICU, and took staffers hostage before he was ...

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

A physician’s assistant at UPMC Memorial Hospital claims he delivered devastating news to Diogenes Archangel-Ortiz in the ...

Officials have released a mugshot of the gunman involved in the UPMC Memorial Hospital shooting that killed a West York police officer. The shooter, identified as Diogenes Archangel-Ortiz, entered the ...

Four people are hospitalized and a gunman is dead after a shooting at the UPMC Hospital in York Saturday morning, according ...

A petition is hoping to inspire stricter security policies at UPMC hospitals after a gunman took hospital staff hostage in a ...

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

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

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

A gunman was killed after shots were fired at UPMC Memorial Hospital in York County, Pennsylvania, on Saturday, hospital ...