Foreign Ministry : One person was rescued Tuesday , about 20 hours after a distress call . It is unclear why the ship sank on Monday . Report : The cause of the sinking so far is unknown . The search for survivors continues in waters off South Korea and Japan.
Foreign Ministry : One person was rescued Tuesday , about 20 hours after a distress call . It is unclear why the ship sank on Monday . Report : The search for survivors continues in waters off South Korea and Japan.