Carbondale — Four are injured after a multi-vehicle wreck in downtown Carbondale last night. According to police reports the accident happened at the corner of Illinois Avenue and Main Street at just before 9:30 when two vehicles collided before one of them struck a building. Both the drivers and a passenger from each vehicle were hospitalized with non-life threatening injuries. The building didn’t suffer any structural damage. The cause of the crash is not known at this time.