Korean Air Lines will face penalties for pressuring staff to lie during a government probe into the "nut rage" incident.

A Korean Air flight attendant has described being insulted and shamed by the airline's executive who ordered him to be removed and the plane returned over macadamia nuts, and then being asked to lie about the incident to investigators.

Forget dust-ups over reclining seats in economy class. There’s a new and exclusive twist on inflight anger: Nut rage in first class.

Korean Air has apologised for inconveniencing passengers after the daughter of its chairman ordered a crew member off a flight for serving bagged nuts in the first class cabin.