Woman freezes to death in cryotherapy chamber

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LAS VEGAS -- Police in Nevada are investigating the death of a woman found frozen inside a cryotherapy chamber.

Chelsea Ake-Salvacion was trapped in the chamber for at least 10 hours at a clinic in Las Vegas that offers cryotherapy.

The therapy has been used to reduce inflammation, slow signs of aging and help heal sports injuries.

Ake-Salvacion worked an evening shift at the Rejuvenice spa, which offers two forms of deep-freeze therapy in tanks that can reach minus 240 degrees, she stayed to give herself a cryotherapy session.

Police said Ake-Salvacion, 24, used the machine without assistance and likely suffocated. Her death was attributed to an "operator error."