Rescuers search dark, cold sea for survivors of shipwreck off South Korea
(CNN) -- Military dive teams worked the dark, cold waters of the Yellow Sea on Wednesday night in a desperate effort to find nearly 300 people who remained missing after the ferry they were taking to a South Korean island resort sank with breathtaking speed. ... What could have caused the ship to sink so rapidly remained a mystery. The weather was clear at the time of the accident. ...
Read more: http://www.cnn.com/2014/04/16/world/asia/s...
Read more: http://www.cnn.com/2014/04/16/world/asia/s...

Apparently there some ppl still alive as of yesterday due to an air pocket but the clocking was still ticking because of the frigid water temperatures could make them vulnerable to hypothermia.