An officer was killed and multiple people were injured in a shooting reported at UPMC Memorial Hospital in York County on Saturday afternoon.West York Borough Police say one of their officers has been killed.

UPMC announced this morning via a Facebook post that it has closed Memorial Hospital in West Manchester Township to visitors in the wake of a hostage incident Saturday that left one police officer dead, two injured and several staff members injured. The health care system did not say when visitors to patients would once again be welcome.

Officials are investigating a possible motive that led to a man entering the UPMC Memorial Hospital ICU where several staff members were shot and taken hostage on Saturday. ABC News reports that Diogenes Archangel-Ortiz,

Police responded to an active shooter incident at a hospital in York, Pennsylvania, on Saturday morning and there is no ongoing threat, officials said. The prolific character actor had over 267 film, television, and video game roles throughout his career.

Three UPMC Memorial Hospital workers and three police officers were shot — one of them fatally — in what York County District Attorney Tim Barker described as an attempted hostage situation Saturday morning.

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

A memorial is growing as a Pennsylvania community mourns the loss of a police officer on Saturday. The officer was killed in the line of duty when a gunman opened fire inside the UPMC York Memorial Hospital.