Investigators are looking for four juveniles believed to have robbed three convenience stores in Antioch and Pittsburg at gunpoint early this morning, Antioch police said today. The first robbery happened at 1:23 a.m. at the Quick Stop on West Tregallas Road in Antioch. The second happened at 2:43 a.m. at the 7-Eleven store on Buchanan Road in Antioch and the third at 2:29 a.m. at a 7-Eleven in Pittsburg, police said. The first suspect was described as a black male between 16 and 18 years old, standing about 5 feet 9 inches to 5 feet 11 inches tall with a slim build. He was wearing a gray hooded sweatshirt and black jeans and was armed with a gray or silver handgun. The second suspect, also a black male between 16 and 18 years old about 5 feet 9 inches to 5 feet 11 inches tall, was wearing a black hooded sweatshirt and black jeans. The other two suspects were described only as black male juveniles wearing dark clothing. One allegedly pointed a revolver at a clerk during one of the robberies, police said. Please call the Fugitive Watch hot line at 1-800-9-CAUGHT (1-800-922-8448) or text us at 408-355-0999 if you know the names of these suspects or have any information.