A fun field trip for students to Jeju island turned sour after the ferry capsized off the southwestern coast of South Korea.<br /> <br />Many clung to the ferry's sinking hull, as rescue teams pulled them to safety.<br /> <br />Here an inflatable boat is thrown from a helicopter, then a diver rappels down and swims out to help passengers.<br /> <br />Around 160 people have been rescued from the ferry, which was travelling from Incheon.<br /> <br />They are the lucky ones. In temporary shelters and medical centres survivors tell their stories.<br /> <br />(SOUNDBITE) (Korean) SURVIVOR, STUDENT KIM TAE-YOUNG SAYING:<br /> <br />"I held a handrail and moved toward the right side of the ferry to ride a helicopter as water kept coming in.<br /> <br />REPORTER ASKING: "WATER KEPT COMING IN?"<br /> <br />KIM REPLYING: "Yes, trash cans were floating and water came up to my neck."<br /> <br />But more than 300 people are still unaccounted for and some deaths have already been confirmed.<br /> <br />Many here said they heard a loud bang and within hours
