A cellist was left feeling "like a criminal" after being removed from a flight - because his musical instrument post a safety risk.
John Kaboff boarded a flight from Washington to Chicago and had paid for a seat for his extremely expensive cello, but was told by a flight attendant that the pilot asked him to leave.
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According to The Strad, he said: "I was mortified to have to be removed from a flight, like I just committed a crime.
"Either I could voluntarily leave or I could be removed from the airplane.
"Since it [the cello] would actually touch the floor by a little bit, since it wasn't strapped in, it would pose a safety risk."
6ABC News reports that Mr Kaboff says he's flown with American Airlines with his cello over 40 times, and a similar incident has only happened once, 12 years ago.
After the latest incident, Mr Kaboff took to social media to vent his frustrations.
He wrote: "I am at Reagan National Airport [and] I've just been kicked off an American Airlines 737 airplane for buying a seat for my cello.
"This is where the cello is supposed to sit. According to the American Airlines flight manual the cello is allowed on a 737 aircraft. This is flight 153 to Chicago."
American Airlines staff later apologised for the inconvenience and he was booked on another flight to Chicago.