Police and emergency crew work at the scene of Southbound Chesapeake Bay Bridge Tunnel near Virginia Beach, Va., where a vehicle plunged into the chilly water early Tuesday morning March 15, 2011. Searchers have located the vehicle, believed to have carried two people, was located between 10:15 and 10:30 a.m. by divers using sonar, police said. (AP Photo/The Virginian-Pilot, Hyunsoo Leo Kim)