at this point, captain andrew stabler took over command of the "mauvilla" and called the coast guard,for help. >> we have a cable or something right into the wheel. the barges are floating adrift southbound. if anybody down there could help rounding them up, i would definitely appreciate it. >> around 2:50 a.m., the "mauvilla's" crew heard a crash, then saw a fire through the fog. >> i'm not sure what i'm seeing, but i'm seeing something that's burning. and it looks like it's crossways of the river. i ain't got out that far. if that's what i'm looking at, i don't have any idea. >> but if the "mauvilla" was on the mobile river, how were they able to see an accident on the bayou canot six miles away? >> mobile coast guard, we have got a mess up here. a train has run off the 14-mile railroad bridge. >> but that was a mistake. the accident was on the bridge going across the bayou canot, a waterway that was closed to commercial boat traffic. >> bayou canot is a subsidiary of the mobile river. and in that very dense fog, operator of the tug mistakenly turned down into bayo canot, thinking i