BAYONNE, N.J. — A gunman shot dead three people, including an infant, before turning the weapon on himself at a home in Bayonne, N.J., late Monday, NBC New York reported.

Another adult was transported to Bayonne Medical Center after also being shot by the gunman. The extent of the person’s injuries was not known.

A neighbor told the news station his brother had heard fighting coming from the home before gunshots were heard.

It was not revealed by authorities if there was a relationship between the shooter and the victims, but witnesses told a photographer from The Jersey Journal that the shooting stemmed from a domestic dispute.