A fourth staffer was injured in a fall. Gunfire erupted after officers went to engage the shooter, whom Barker identified as ...

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

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

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

A man who took hostages at UPMC hospital during a shooting that killed a police officer and wounded five others highlights ...

Ortiz, 49, carried a pistol and zip ties into the intensive care unit at UPMC Memorial Hospital in southern Pennsylvania’s ...

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

Officials say 49-year-old Diogenes Archangel-Ortiz had recent contact with the intensive care unit "for a medical purpose ...

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

Officer Duarte had just celebrated his 30th birthday on Feb. 17, less than a week before Saturday’s shooting, according to ...