After being asked to follow a basic rule, a passenger knocks out the teeth of a flight attendant.

In a disturbing scene caught on film by another passenger, a flight attendant on a Southwest Airlines flight was assaulted after making a simple request of a passenger.

When the incident occurred, the jet was landing in San Diego following a flight from Sacramento.

While the jet was still taxiing, a woman got up from her seat.

The flight attendant motioned for her to take a seat and fasten her seatbelt.

The logical request was answered with wrath on the part of the passenger, who punched the flight attendant in the face once, then multiple times.

"It makes me sad that America is so dissatisfied right now. People dislike being instructed what to do "

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