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Uh oh,Watch Kalakal Online United is in trouble again.

A giant rabbit which was poised to become the world's biggest has died on one of its transatlantic flights.

The three-foot (90cm), 10-month continental giant rabbit, named Simon, died while in the cargo section of a Boeing 767 travelling from London Heathrow to O'Hare airport in Chicago, according to The Sun.

Simon's breeder, Annette Edwards from Worcestershire, said the rabbit was expected to grow to be the world's biggest after his father Darius grew to 4ft 4in (1.32m). The buyer was a "famous celebrity."

“Something very strange has happened and I want to know what. I’ve sent rabbits all around the world and nothing like this has happened before,” Edwards told the newspaper.

Edwards told The Associated Pressthat Simon had a vet check shortly before traveling.

"Simon had his vet check just before getting on the plane," she said. "He was fit as a fiddle."

In a statement sent to Mashable, a United spokesperson said: “We were saddened to hear this news. The safety and wellbeing of all the animals that travel with us is of the utmost importance to United Airlines and our PetSafe team."

“We have been in contact with our customer and have offered assistance. We are reviewing this matter.”

The fresh incident comes after a United Airlines passenger was forcibly dragged off an overbooked flight.

David Dao, a 69-year-old man who was trying to get from Chicago to Louisville on an April 9 flight, suffered a concussion and a broken nose after police officers ripped him from his seat and dragged him off the flight.

Dao also lost two teeth and endured sinus damage, according to attorney Thomas Demetrio, who went on to say Dao will undergo reconstructive surgery.

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