Walter Foxcroft, 43, was found dead inside a hyperbaric chamber at the Arizona facility he co-founded last year.

Emergency personnel found the 43-year-old physical therapist dead inside the chamber at his Arizona health clinic, which offered oxygen therapy.

A physical therapist has died after what appeared to be a flash fire broke out while he was inside a hyperbaric chamber at his wellness clinic in Arizona. Dr. Walter Foxcroft, owner of Havasu Health and Hyperbarics,