 A Louisiana superfog led to a pile-up of 158 cars just west of New Orleans on October 23 that killed seven people, injured at least 25 and left a string of crumbled and charred vehicles on a bridge over Lake Moripo. Officials said .at least one vehicle went over the edge and lay sideways in the water. Pictures posted by the Louisiana State Police showed. The search for victims from the chain reaction accident continued for hours after the crash. The State Police said on Facebook.A fire broke out in part of the crash scene, forcing emergency responders to offload hazardous materials from a tanker truck, the State Police said. The accident closed Interstate 55 in St. John, the Baptist Parish.