The Coroner, Ian Arrow, recorded a narrative verdict, concluding that Alan Levers had died during an attempted armed robbery.
He said the cause of death was a combination of factors as a result of his chest being compressed, wearing a gas mask with the respirator pressed against the floor, and all this was exacerbated by the level of alcohol he'd consumed.
More top news
Dementia patients are being failed by health and social care services, say doctors in our region.
Fragrant, beautiful and more and more popular in soft drinks, this year's elderflower crop has been particularly good for our region.
It's not just visitors at Exmoor Zoo who've been tucking into ice lollies and cool drinks in the heat - check out these charming pictures