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BROOKLYN — Conor McGregor was hit with multiple charges after he was involved in a backstage melee following a UFC223 news conference.

The UFC fighter turned himself in to police late Thursday and was charged with three counts of assault and one count of criminal mischief after video footage appears to show the promotion’s biggest star throwing a hand truck at a bus full of fighters, injuring at least one scheduled to compete Saturday.

MMA fighters, Michael Chiesa and Ray Borg were pulled from the Saturday’s fight after receiving several cuts during the incident while a third fighter, Artem Lobov, was removed from the fight card due to his involvement in the melee, UFC said in a statement. 

Chiesa announced on his Twitter that he was pulled from the card, but hopes to go up against his scheduled opponent, Anthony Pettis, soon.

“A decision was made by the New York State Athletic Commission to pull me from UFC 223. I’m devastated to say the least. @Showtimepettis I hope to run this match up ASAP, June 9th in your backyard. That’s all I have to say for now. Much love.”

The video also shows McGregor with a group of people causing chaos Thursday as they took an elevator to the loading dock at Barclays Center. He can be seen tossing trashcans and being prevented from throwing a barricade at a bus during his unannounced appearance in New York.

UFC President Dana White said this week in New York that McGregor would fight again for UFC this year. He has not fought in a mixed martial arts event since 2016. He was not even on the roster for Saturday’s fight, but crashed the media day.

Prior to the incident, McGregor tweeted that he would be stripped of “nothing.” His actions now put any future fights very much in doubt.

The 29-year-old McGregor once held the 145 and 155-pound championships at the same time and boldly stated he wanted an ownership stake in UFC. But the trash-talking, egocentric has been out of the fight game except for his boxing dalliance with Mayweather that made him wealthy enough to never have to fight again. McGregor and his girlfriend welcomed their first child, a son, in May 2017.

Another MMA fighter, Cian Cowley was charged with assault and criminal mischief.

Associated Press contributed to this report.