He was saturation diving on Heliox. From this reporting, it sounds like his heart didn't stop: https://www.bbc.com/news/uk-scotland-north-east-orkney-shetland-

He was saturation diving on Heliox. From this reporting, it sounds like his heart didn't stop: https://www.bbc.com/news/uk-scotland-north-east-orkney-shetland-47826802 https://www.bbc.com/news/uk-scotland-north-east-orkney-shetl... He's a public speaker now (probably much less risky; I'm sure his family appreciates that): https://www.chrislemons.co.uk/ https://www.chrislemons.co.uk/