19 April 2014 Last updated at 12:04 BST The father of a missing student aboard the South Korean ferry that sank has said the Korean government has been “disorganised” in its rescue efforts. Kim Byung Kwon told the BBC it was a “frustrating” situation; “The responsibility rests on the government, the coastguards, the navy, all of them,” he said. In a phone call as the boat was sinking, Mr Byung said he told his daughter to “keep calm”…