South Korean oceans ministry : The ship did not deviate much from its intended course . Some passengers reported hearing a noise before the ship sank . The ship had traveled through fog , but conditions were clear at the time of the sinking . The most immediate concern to passengers is safety .
South Korean oceans ministry : The ship did not deviate much from its intended route . Some passengers reported hearing a bang before the ship sank . The ship had traveled through fog , but conditions were clear at the time of the accident . The most immediate danger to passengers is hypothermia .