Lake Havasu City authorities said the fire killed clinic owner Walter Foxcroft, 43. Hyperbaric therapy involves breathing pure oxygen in a high pressure chamber.

Walter Foxcroft, 43, was killed just before 11 p.m. on July 9 at a facility near Mesquite Avenue and Civic Center Lane, officials said.

An Arizona physical therapist has died after the hyperbaric chamber at his clinic erupted into flames while he was inside it.

A physical therapist has died after what appeared to be a flash fire broke out while he was inside a hyperbaric chamber at ...