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

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

An autopsy has been scheduled for the man who entered UPMC Memorial Hospital armed with a semiautomatic handgun and zip ties ...

UPMC Memorial Hospital remains closed to visitors and ambulances Sunday in the wake of Saturday’s deadly shooting. “We know ...

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

YORK — The man who authorities say entered a Pennsylvania hospital with zip ... Sunday about a possible motive for the shooting at UPMC Memorial Hospital in York on Saturday, in which a doctor ...

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

The shooter has been identified as Diogenes Archangel Ortiz. He allegedly entered the hospital with a handgun and zip ties.

Officials said the gunman was fatally shot by the police and that two officers and three staff members at UPMC Memorial hospital in York County, Pa., were wounded but were in stable condition.

A West York Borough police officer and a gunman were killed after shots were fired injuring multiple staffers at UPMC Memorial Hospital in York County, Pennsylvania, Saturday morning, the district ...

Pennsylvania officials said a man entered ... York County District Attorney Tim Barker said the man entered UPMC Memorial Hospital with a bag carrying a handgun and zip ties.