YORK, Pa. - . The BriefA possible motive for the deadly hospital shooting in York, Pennsylvania, is still unknown.Officials say the suspect had recent contact with the ICU "for a medical purpose."The hospital remained closed to visitors on Sunday.

A gunman who held medical staff hostage before killing a police officer and wounding five others at a hospital in south-central Pennsylvania Saturday is believed to have visited the facility in the days leading up to the incident,

A man who took hostages in a Pennsylvania hospital during a shooting that killed a police officer and wounded five other people highlights the rising violence against U.S. healthcare workers and the challenge of protecting them.

The officer killed while responding to a shooting and hostage situation at a Pennsylvania hospital on Saturday had celebrated his 30th birthday just days earlier, authorities revealed Sunday. Officer Andrew Duarte of the West York Borough Police Department was among those who responded when the armed suspect,

Authorities described the shooting of a gunman who opened fire at a Pennsylvania hospital as “absolutely justified, beyond any and all doubt.”

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.

The attacker who killed a police officer and took three people hostage at a Pennsylvania hospital was identified Sunday, as authorities said he visited the hospital before. Diogenes Archangel-Ortiz, 49,