Williams. Good evening. Tonight we continue to follow the slow motion tragedy, the sinking of a ferry boat in the waters off south korea. What started out as a voyage to a Holiday Island with close to 500 people onboard, many of them high school students. Today the last visible part of the vessel went beneath the water. Its now completely submerged. As live pictures from the scene show the effort to get down there and get inside the hull to look for survivors. Tonight, the captain is under arrest and has been charged as imagery now shows him abandoning ship. There are still 274 people missing. We begin tonight with nbcs bill neely in south korea. Reporter under arrest and charged with criminal negligence, the 69yearold captain seen here abandoning his ship. He wasnt at the helm when it got into trouble. He left behind inflatable life rafts, never launched. The final radio messages between the ship and maritime officials show he was never in control of events. From the bridge, our ship