Cops encountered Archangel-Ortiz holding a female staffer at gunpoint with her hands bound, officials said. The officers ...

Security consultant Dick Sem says hospital shooters tend not to kill at random but often are angry about something that has ...

Authorities say a gunman entered a Pennsylvania hospital’s intensive care unit and took staff members hostage before he was ...

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

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

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

A gunman took hostages at UPMC Memorial Hospital in York, Pennsylvania, resulting in the death of Officer Andrew Duarte and ...

A 49-year-old gunman was shot and killed by police after they said he held multiple UPMC staff members hostage and shot ...

Diogenes Archangel Ortiz, 49, was identified as the gunman in the UPMC Memorial hospital shooting in York, Pennsylvania.

A mass shooting at UPMC Memorial Center has left the gunman and a police officer killed and multiple hospital staff injured.

Authorities described the shooting of a gunman who opened fire at a Pennsylvania hospital as “absolutely justified, beyond ...

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