S Korea Ferry; police target Yoo Byung-eun in huge raid
11 June 2014 Last updated at 16:46 BST
Thousands of police took part in a raid on a religious commune searching for the alleged owner of the company that operated the ferry, billionaire Yoo Byung-eun.
But despite a nationwide hunt and several reported sightings of Mr Yoo, he has so far evaded capture.
Lucy Williamson reports from Seoul.