Michigan boy, 5, killed when his hyperbaric chamber exploded

A 5-year-old boy has died while his mother is recovering after a hyperbaric chamber exploded at a Troy medical facility on Friday. But what is a hyperbaric chamber?
A 5-year-old boy died in a hyperbaric chamber explosion at a Michigan medical center; an investigation is ongoing.
A 5-year-old boy was killed Friday morning when a hyperbaric chamber he was inside exploded. Police and firefighters ...
A 5-year-old Michigan boy was killed Friday morning when a hyperbaric chamber he was inside of exploded, officials ...