The family of Thomas Cooper, the 5-year-old boy killed in a hyperbaric chamber explosion at a Troy medical center​, is retaining a Southfield law firm.

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.