Sweat lodge deaths ruled accidental

The October deaths of three people who participated in a sweat lodge ceremony in Arizona have been ruled accidental, according to autopsy results released Wednesday.

Lizbeth Neuman, James Shore and Kirby Brown were among as many as 65 participants at a self-help guru's spiritual retreat near Sedona. As part of the "Spiritual Warrior" program led by best-selling author James Arthur Ray, participants sat for up to two hours inside a dome-like structure called a sweat lodge, which was covered in tarps and blankets, and had hot rocks and water inside to create steam.

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