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Vernon Unsworth, centre, criticised Elon Musk for delivering a submarine to the cave site. Image Credit: Reuters

Bangkok; A British cave diver who was instrumental in the rescue of 12 children trapped in a northern Thailand cave says he is considering legal action after the inventor Elon Musk called him a “pedo” on Twitter.

Vernon Unsworth, 63, told the Guardian on Monday he was “astonished and very angry” at the attack, for which Musk offered no evidence or basis. The billionaire initially doubled down on the comments made on social media, but has since deleted them.

He told journalists at the cave site, where a clean-up operation is underway, the remarks about him were an attack on the entire rescue crew.

“I believe he’s called me a paedophile,” Unsworth said. “I think people realise what sort of guy [Musk] is.”

Asked if he would consider taking legal action against Musk, he told reporters: “Yes, it’s not finished.”

Musk was angrily responding to an interview Unsworth gave on Sunday in which he said a child-sized submarine the Tesla chief executive delivered to the cave site last week “had absolutely no chance of working”.


“He had no conception of what the cave passage was like,” Unsworth said in the interview. “The submarine, I believe, was about 5ft 6in long, rigid, so it wouldn’t have gone round corners or round any obstacles.”

In a bizarre series of tweets on Sunday, Musk said he would produce a video proving his submarine would have been able to reach the children and in a comment directed at Unsworth, added: “Sorry pedo guy, you really did ask for it.”

When a Twitter user pointed out that Musk was “calling the guy who found the children a pedo”, the billionaire responded: “Bet ya a signed dollar it’s true.” Both tweets have since been deleted.

Unsworth, who lives in Thailand, was among the first cave divers on the scene in Mae Sai after the boys from the Wild Boars football team and their coach became trapped inside on 23 June.

Rescuers have said he used his knowledge of the cave system and networks in the cave diving community to marshall a response that was crucial in locating the boys 10 days later, and helping to free them last week.

Unsworth said he had saved copies of Musk’s tweets and believed he had “lost the plot”.

“I have a lot of support from people around the world astonished by his unfounded comments,” he said.

He had no contact with Musk throughout the rescue operation nor since — a situation he hopes will not change.

“I don’t know the guy, never met the guy, and don’t want to meet the guy,” he said.

Musk had already attracted criticism for his approach to the Thai rescue after Narongsak Osatanakorn, head of the joint command centre, said the mini-submarine was sophisticated but not practical for the operation.

Musk responded by saying Osatanakorn was “not the subject matter expert” and that he had been “inaccurately described as rescue chief” and should have been labelled the “former Thai provincial governor”. Osatanakorn stepped down as Chiang Rai governor during the rescue, but had been asked to keep serving as commander.

Musk was intensely criticised on Twitter for the attack on Unsworth. Some users pointed out how “dangerous” and irresponsible it was to make such a serious allegation and to broadcast a potentially libellous insult to his 22 million followers.

James Anderson, a partner at Baillie Gifford, Tesla’s fourth-largest shareholder, told the Guardian in an email: “I intend to convey my — predictable I trust — feelings to the company tomorrow.” He declined to elaborate.

Musk had pledged to be less combative on social media, saying earlier this week: “I have made the mistaken assumption — and I will attempt to be better at this — of thinking that because somebody is on Twitter and is attacking me that it is open season. That is my mistake. I will correct it.”

Tesla shares tumble

Tesla shares stumbled Monday as chief executive Elon Musk faced criticism over the public spat.

Shares of the electric car maker were down 3.5 percent in late-morning trading at $307.82 on news that Musk could face a libel suit over the episode.

The episode is the latest controversy surrounding Musk, who has occasionally rattled Wall Street with erratic behavior.

Shares were pummeled in May after Musk abruptly cut off questions from Wall Street analysts over Tesla's spending plans.

But Musk also has many champions on Wall Street, who believe his plans for disrupting autos could remake the transportation sector and have helped Tesla achieve a market value greater than Ford and only slightly below that of General Motors.