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.

On Saturday, when a gunman walked into UPMC Memorial Hospital in West Manchester Township armed with a semiautomatic gun, he walked right through to the ICU. The hospital did not have metal detectors anywhere, according to medical staff who spoke to PennLive on the condition of anonymity.

Lester Mendoza, who specializes in pulmonary critical care, was present when the perpetrator was informed about his loved one's death.

UPMC Memorial Hospital has reopened to visitors after a man took staff in the ICU hostage and an officer was killed on Saturday. A UPMC spokesperson says visitation remains limited to two people per patient and the hospital is no longer on EMS divert.

Employees at UPMC Memorial Hospital in York County say they've noticed security changes changes after a deadly shooting in the ICU.

Days after a fatal shooting in its ICU, UPMC’s West Manchester Township hospital continues to limit visitor numbers but is more widely opening its emergency room. A gunman entered the UPMC Memorial hospital in York County on Saturday morning,