Boxer Anthony Ogogo reportedly got so stressed on Celebrity SAS: Who Dares Wins that he threatened to throw someone off a cliff.
The Olympian, 34, is one of the stars of the new series of the show, which will apparently also feature the likes of Torchwood and Doctor Who actor John Barrowman and gymnast Ellie Downie.
And according to The Sun, a source has alleged that he lost his cool after one challenge saw the stress getting to be too much.
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He apparently started shouting, with a crew member allegedly bearing the brunt of it.
The insider claimed: “Anthony went crazy after a tough task that involved pulling something up the side of a mountain in the snow.
“He was stressed out from the challenge and took his anger out on a crew member.
“He screamed at him and threatened to throw him off the side.”
The source said it was a “scary situation”, but that the sports star calmed down and all was well.
Daily Star has contacted Channel 4 and representatives for Anthony for comment.
Anthony previously shared that he suffered frostbite on the show, and told Metro that although the series was fun it was “very hard”.
He said: “I feel like emotionally, physically, I’m a tough dude! I’ve done a lot in my life, I’ve gone through a lot in my life, I’m hardened. I’ve got thick skin.
“It genuinely was one of the hardest things I’ve done in my entire life.”
Anthony is no stranger to reality television.
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The star, who won a bronze medal at the 2012 Olympics, previously appeared on Big Brother: Celebrity Hijack and he was also in the diving show Splash!
In 2015 the boxing star competed in Strictly Come Dancing.
He was paired with then Strictly pro Oti Mabuse and the pair were eliminated during the third week of competition.
Anthony gave reality TV another go in 2018, when he braved something a little scarier by signing up for Celebrity Haunted Mansion.
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Source: Celebrities - dailystar.co.uk