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.

The chief of the Northern York Regional Police Department said one of the officers injured in Saturday's mass shooting at UPMC Memorial Hospital has been releas

"We know that families and visitors are vital to helping patients heal, and we are working toward making visitation possible again."

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.

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