A 5-year-old Michigan boy was killed Friday morning when a hyperbaric chamber he was inside of exploded, officials said. Police and firefighters responded to The Oxford Medical Center in Troy around 8 a.

A 5-year-old boy has been killed and his mother injured after a pressurized oxygen chamber exploded at a suburban Detroit medical facility.

A 5-year-old boy receiving treatment at a Michigan medical center died after the hyperbaric chamber he was in exploded.