Miami Gardens police have confirmed two men are dead after a Miami-Dade transit bus driver opened fire after an argument just before 3 a.m., Sunday morning.Miami Gardens units responded to a call regarding a disturbance on a tra nsit bus early Sunday morning and have since closed off most of a shopping center on NW 183rd Street and NW 7th Avenue.The initial police report reveals that the bus driver became involved in an altercation with two passengers.During the incident, the driver shot the passengers.Earlier, a helicopter could be seen at the location.The two victims were transported to Aventura Hospital where they were later pronounced dead.Wave God says he heard gunshots ring out at the scene."I heard six shots," God said."I do not like the violence that's going on in my neighborhoods."Police say the bus wasn't moving when this happened."That's the craziest thing I ever could heard of," God said.The driver is in custody.Police say the driver wasn't shot at and are still looking into why the driver decided to shoot the passengers.Officials say the driver was heading on a routine route and say this is an isolated incident."I don't think the community needs to be frightened, said Diana Delgado of the Miami Gardens police. "This was a disturbance that took place between the driver and the victim. At this time we don't have the full information to say that our community or any passengers need to be frightened of taking a bus."Miami-Dade's Department of Transportation and Public Works spokesperson Juan Mendieta told our partners at the Miami Herald that, "Guns are not allowed as a self-defense measure for county bus drivers."Transit operators are not allowed to be armed," he said Sunday.County Commissioner Eileen Higgins, chair of the county's Transportation committee, said she was "heartbroken" by the deaths.The shooting aboard a Metrobus remains under investigation. Mendieta said The Department of Transportation and Public Works is fully cooperating with law enforcement.The-CNN-Wire ...read more read less