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, ...

There are questions surrounding security measures at local hospitals, including UPMC, after an officer-involved shooting and ...

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

The shooting at UPMC Memorial Hospital Saturday left one police officer and the gunman dead and several staff members and law ...

Saturday’s hostage-taking and fatal shooting of a police officer at UPMC Memorial Hospital in York sent shockwaves throughout ...

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

UPMC says the situation is “fluid” after a shooting at a York County hospital Saturday left at least one person dead. The ...

(FOX40.COM) — The Sacramento County Sheriff’s Officer is investigating a shooting that involved a gas station owner Friday ...

A police officer was killed and five other people were wounded when a man took medical staff hostage and opened fire at a ...

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

Developing: A police incident was reported at the UPMC Memorial hospital in West Manchester Township on Saturday morning.