--PART VIDEO AS INCOMING --<br/> <br />A diver lost consciousness and died during the search operation for victims still missing after last month's South Korean ferry disaster.<br/> <br />The diver had lost radio contact five minutes after diving to fix guideline ropes on the sunken ferry.<br/> <br />He was unable to breathe by himself when he was brought to the surface. His death was later confirmed.<br/> <br />There were 476 passengers and crew on board the ferry which capsized April 16. Only 174 people have been rescued. The confirmed death toll is 263, with 39 still missing.
