The death of a man at the Burning Man festival in the US state of Nevada is being treated as suspicious, authorities say.
Shane Billingham, 33, was found unresponsive in his car at around 18:30 local time (00:30 GMT) on Thursday.
Mr Billingham, a New Zealand national, had “poisonous” levels of carbon monoxide in his blood, police said.
Bystanders reportedly attempted CPR on Mr Billingham before paramedics arrived. Read more