A man was fatally stabbed in the neck early Thursday in the Fifth City neighborhood on the West Side.

Eugene E. Johnson, 27, was embroiled in a “domestic-related” fight with a 41-year-old man at 12:55 a.m. inside a residential building in the 3500 block of West Fifth Avenue, according to Chicago police and the Cook County medical examiner’s office.

Johnson was stabbed in the neck and taken to Mount Sinai Hospital, where he died at 1:39 a.m., authorities said. He lived in the West Side Homan Square neighborhood.

A person of interest was released from custody without being charged, police said.