CAMP HILL, Pa. - The wife of a psychiatrist was killed Friday in a building at Holy Spirit Hospital, and authorities have sought the public's help in finding an unidentified man they termed a "person of interest."

Mary C. Moola, 50, of East Pennsboro, was killed in a confrontation, but authorities would not say how she died. She worked in the office of her husband, Jagadeesh K. Moola, a psychiatrist with a practice in the building, authorities said.

A weekend autopsy was scheduled.

"We don't know the motive, and we don't know if the suspect was known by the victim or was a stranger," Dennis McMaster, East Pennsboro police chief, told the Patriot-News of Harrisburg.

Authorities released few details about the noontime killing on the fourth floor of the five-story Medical Arts Building, which hospital spokeswoman Lori Moran said contained doctors' offices and X-ray and other imaging equipment.

"We're treating this death as a homicide," Jaime Keating, a Cumberland County assistant district attorney, told reporters.

"We have leads as to what we think is the cause of death," he said. No one else was injured.

Asked whether the attack was random, he said: "That's what we're trying to establish."

The man police sought was described as between 5-foot-6 and 5-10 with a slight build; dark, wavy hair; and a medium to dark complexion. He was wearing dark pants.

Keating said the grounds and surrounding area had been searched, and he urged neighbors to be cautious.