When a passenger got out of hand on a plane an 80s rock star came to the rescue. Richard Marx happened to be on the Korean Air flight from Vietnam to South .
Singer Richard Marx helped subdue an unruly passenger aboard a Korean Air flight.
The unruly passenger who turned a Korean Air flight upside down Tuesday was caught on video during his tirade. TMZ has obtained the video showing the .
American singer Richard Marx has said he had to restrain a fellow passenger on a Korean Air flight, after the man allegedly attacked others onboard.