Korean Air boss apologises as hot-tempered daughters resign

Korean Air Chairman Cho Yang-ho on Sunday apologised for the "immature" behaviour of his two daughters and said they would both immediately resign from their company posts following separate controversies.Cho Hyun-min, the younger daughter who is marketing executive at the South Korean flag carrier, is under police investigation for assault after she was accused of throwing water into a man's face at a business meeting.Four years ago her older sister Cho Hyun-ah made global headlines for angrily