DURATION: 1:00-----------------------------------------SHOTLIST:WSB - Courtesy WSB-TV, No Access AtlantaLaurens County, Georgia1. Various aerials of crash sceneSTORYLINE:More than two dozen vehicles collided in a fiery pileup on a foggy Georgia interstate on Wednesday morning, killing at least three people and leaving several others hurt, officials said.Laurens County EMS director Terry Cobb, who is at the scene on Interstate 16 in central Georgia, told The Associated Press at least six vehicles were still on fire when crews arrived. Emergency officials encountered fog on the way to the crash site, though it was not immediately known if that was a factor in the wreck, Cobb said.A total of 27 vehicles were involved in four separate accidents around 8:10 a.m., the Georgia State Patrol said in a news release.They included six commercial vehicles and an empty petroleum tanker truck, which ruptured and caught fire, the patrol said.It wasn't known what caused the wrecks, but the area was under a dense fog advisory at the time, said Laura Belanger, a meteorologist at the National Weather Service in Peachtree City.