ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: The South Korean coast guard released video on Wednesday (April 16), showing its attempts to rescue passengers, after a ferry capsized into the sea.<br/> <br />The video showed the partially sunken vessel in the water and rescuers in boats approaching it.<br/> <br />The footage also showed members of the coast guard trying to rescue passengers from the water while others were seen hanging on the ship's railings.<br/> <br />The ferry was carrying 462 people, of whom 174 have been rescued, coast guard officials said.<br/> <br />More than 280 people, many of them students from the same high school, are still missing in what could be the country's biggest maritime disaster in over 20 years.<br/> <br />Four people were confirmed dead, but as frantic rescue operations continued late into the night under light from flares, hopes were fading for the 284 unaccounted for.<br/> <br />It was not immediately clear why the Sewol ferry listed heavily on to its side and capsized in ap
