A man was found dead “lying in a pool of blood” at the popular Burning Man arts and music festival Saturday night, prompting a homicide investigation by local and federal officials in Nevada, the authorities said.

Deputies responded around 9:14 p.m. to a report of a man on the ground at the event’s campsite who was “obviously deceased,” Sheriff Jerry Allen of the Pershing County Sheriff’s Office in Nevada said in a statement.

It was not immediately clear how the man, whose identity the sheriff said was unknown, died. The body was taken to the Washoe County Regional Medical Examiner’s Office.

The body was reported as the “Man” — the towering wooden sculpture shaped like a man — was beginning to burn.

Several participants in the immediate area were interviewed, the sheriff said.

“This p

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