Four Chicago businesses were burglarized early Tuesday, including three along Wells Street in Old Town and a Cold Stone Creamery in River North, according to Chicago police. At about 3:05 a.m., a group broke the front glass door of Happy Camper in the 1200 block of North Wells Street and went inside. Police said nothing was reported stolen. Five minutes later, two people broke the front door at Jeni’s Ice Cream in the 1400 block. It was not immediately clear whether anything was taken. At about 3:11 a.m., a group broke a front window at Royale Dry Cleaners in the 1600 block and left with a cash register in a blue car, police said. Earlier, at about 2:55 a.m., someone damaged a window at Cold Stone Creamery, 20 W. Ohio St., and took property that police have not specified. No arrests had been made in any of the incidents. Belmont Area detectives are investigating.