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A driver has apologized and vowed never to race again after an outburst at a Karting World Championship race. Luca Corberi is now under investigation by the FIA, motorsport’s global governing body.

Corberi was competing in the Karting KZ World Championship final in Lonato, Italy, on Sunday when he crashed out of the race and then threw the detached bumper of his kart onto the track.

“There’s Luca Corberi, watching at the side of the road – what’s he doing?” the race commentator said before the Italian threw the bumper into the path of other drivers.

Corberi then ignored requests from officials as he walked across the track and exited the race.

Footage from after the race also shows Corberi tackling another driver on the paddock, which prompts a scuffle to break out involving a number of people.

“I’d like to apologize to the motorsport community for what I’ve done,” the 23-year-old said in a statement on social media.

“There are no excuses to explain why I’ve done such a disgraceful act, this has been something I’ve never done in my 15 years of career, and I really hope it won’t be seen by anybody else in the future.”

Corberi collided with the barriers at the Karting World Championship.

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Corberi also said he would not compete in any other motorsport competitions in the future as “it’s simply the right thing to do.”

Jenson Button, a Formula One world champion in 2009, said Corberi had “destroyed any chance he had at a racing career” and called for a lifetime ban following the incidents.

Former F1 driver Felipe Massa, who is also president of the FIA International Karting commission, called the incident “unacceptable” and said those involved “will face the consequences of their actions.”

“The FIA and ACI (Automobile Club of Italy) are deeply concerned by the disturbing events that occurred yesterday during the FIA Karting KZ World Championship in Lonato, Italy, involving drivers, team members and track officials,” said a statement from the governing body.

“The FIA has launched an immediate investigation into the incidents.”

In a separate statement, the ACI said it “absolutely condemns” the events that took place during and after the race and “reserves every possible initiative against those who have become the protagonists of such a serious event.”

CNN’s Nicola Ruotolo contributed to this report.