A procession with law enforcement officers is planned for the funeral of a Pennsylvania police officer who was shot and killed while responding to an attack on a hospital intensive care unit.

The mother of the police officer who was killed while responding to a shooting at a Pennsylvania hospital is speaking out. It comes as investigators work to figure out the motive behind the attack. NBC News’ Maya Eaglin has the latest.

The man who authorities say entered a Pennsylvania hospital with zip ties and a pistol over the weekend had recent contact with the hospital's intensive care unit, where he took staff members hostage and was killed in a shootout that left a police officer dead and others injured.

A police officer who was shot to death while responding to an armed man with hostages inside a Pennsylvania hospital intensive care unit was remembered Friday as a dedicated public servant who did not hesitate to run toward danger and died a hero.

The 30-year-old officer was killed while responding to an armed man who took hostages last weekend inside UPMC Memorial Hospital in York, Pennsylvania.

A police chief says the last act of an officer who was shot and killed while responding to an attack inside a Pennsylvania hospital was to help a colleague get to safety.