CNN New Day April 16, 2014 10:20:00
Because this is says that's still ongoing. here's what we understand. people on board say they heard a bump. sounds like they must have hit something. the water here is very well charted and very deep. that's unusual. they believe it could have been an explosion on board that gave that sensation. they were almost immediately told not to get into the rescue boats but to get into the water. the yellow sea very cold. quick-moving currents. there was a quick response from the south koreans. they brought amphibious vehicles out there. the water we're told is 40 degrees fahrenheit. very limited amou...