Police Officer Killed in Hospital Shooting in York County, Pa., Officials Say

A Pennsylvania police officer was killed while responding to a shooting on Saturday at a hospital in York County, Pa., in which the gunman, who held hospital staff members as hostages and restrained one with a zip tie, was killed by the police, the authorities said.

The officer, Andrew Duarte, who served in the West Borough Police Department, had responded to a call to the hospital, UPMC Memorial, the borough said on Facebook.

“Our hearts break at the innocent loss of life,” the statement said, adding that the West Borough Police Department had “lost a comrade and friend.”

Officer Duarte was one of three police officers struck by the gunman, who officials later identified as Diogenes Archangel-Ortiz, 49. The other two officers were in stable condition.

Three hospital staff members — a doctor, a nurse and custodian — were wounded and were in stable condition, officials said. Another staff member was hurt in a fall. No patients were injured.

Tim Barker, the York County district attorney, said at an afternoon news conference that Mr. Archangel-Ortiz targeted the intensive care unit of the hospital, which is in West Manchester Township, Pa. His motive was unknown.

Mr. Barker added that the gunman had recently contacted the hospital unit regarding a “medical purpose of another individual,” but declined to provide further details. He also declined to provide additional background information about Mr. Archangel-Ortiz.

Around 10:35 a.m., the gunman entered the hospital with a handgun and zip ties, and soon took several staff members as hostages. The gunman opened fire at about 11 a.m., Susan Manko, a vice president of public relations for the hospital, said in a statement.

Mr. Archangel-Ortiz held a staff member at gunpoint as police officers readied to breach the I.C.U. He restrained one staff member’s hands with a zip tie. The officers tried to talk with the gunman.

When he came out into the hallway threatening the hostage, police officers opened fire, killing him, Mr. Barker said. That’s when the gunman opened fire, striking the officers.

Officer Duarte was a member of the West York Police Department for nearly three years, according to his LinkedIn profile. Before that, he served as an officer in the Denver Police Department in Colorado for more than five years. He graduated from Pennsylvania Western University, California, in California, Pa., in 2016.

Those who were wounded were evaluated in the emergency department at WellSpan York Hospital in York, Pa., less than five miles from UPMC Memorial, according to a spokeswoman for WellSpan.

At the afternoon news conference, Gov. Josh Shapiro of Pennsylvania said that he had been in contact with the White House about the shooting and thanked the Trump administration for its concern. He said that the state did not need help from the federal government.

“Here in York County today, we saw the very best and the very worst of humanity,” Mr. Shapiro said, thanking law enforcement officers and hospital staff members for their bravery.

He added, “We pray for healing in this community, and we pray for the family of Officer Duarte.”