Amid heavy fog, Mobile County Sheriff's Office officials called off their search this afternoon for four dead children reportedly tossed off the Dauphin Island bridge. After sonar cameras spotted something submerged under the bridge, divers explored the area but did not find any bodies, officials said. Authorities plan to resume their search at dawn. The massive search involved 50 to 70 people from several agencies, nine vessels and a U.S. Coast Guard helicopter. Sheriff's Capt. Paul Stewart said cadaver dogs on boats alerted handlers to an area of the water, prompting the Sheriff's Office to deploy the sonar cameras. The...