Four people were arrested Wednesday morning after San Diego police raided a suspected gambling operation in a City Heights home, officials said. Officers served a search warrant before 6 a.m. at a home on Central Avenue near El Cajon Boulevard and seized nine gambling machines containing $625 and a loaded semi-automatic handgun, a police spokesperson said. Four people were arrested on gambling-related charges, he said. Officers from several teams, including the vice unit, the drone unit and the gun violence restraining order team, participated in the raid. No information about what led up to the arrests was immediately available. ...read more read less