welcome back. it's the middle of the night in south korea, where a race against time is under way to find nearly 300 people missing after a large ferry capsized and sank. most of the passengers were high school students from seoul on a class trip to a resort island. 179 people were rescued before the ship flipped over. 6 people are confirmed dead. survivors were treated for hypothermia after being in the frigid water. some rescued said they were given conflicti ining commands t whether to stay on the ship or jump in the water. >> translator: put your safety vest on and stay put as it's dangerous. kids were forced to stay put. only some of those who moved survived. right now, an undersea drone is scanning the indian ocean search for malaysian airlines flight 370. a technical glitch caused the