The Coast Guard is searching for a possible person in the water after reports of a vehicle going over the Causeway Bridge at mile marker 12 into Lake Pontchartrain, Louisiana, January 24, 2018. Coast Guard Sector New Orleans watchstanders received a report from Causeway Bridge authorities regarding a possible vehicle in the water after deputies reported the missing guardrail from the bridge, as well as propane tanks in the roadway. (U.S. Coast Guard photo)