Authorities say a Las Vegas spa where an employee was found dead inside a liquid nitrogen chamber used for cryotherapy treatments wasn't licensed to operate.
The Clark County Coroner's Office said Tuesday that further investigation is underway to determine the cause of death of 24-year-old Chelsea Patricia Ake-Salvacion. She was found on Oct. 20 at the Rejuvenice facility.
Cryotherapy involves the use of low temperatures to relieve pain.
The Nevada State Board of Cosmetology ordered the site to shut down Monday because the business didn't have a license to perform skin and other aesthetician services that were advertised.
Clark County said the owners, who couldn't immediately be reached for comment, had applied for a business license in July but it had not yet been approved.
Police said the death doesn't appear to be suspicious.