A hyperbaric chamber exploded at the Oxford Center in Troy, Michigan, killing a 5-year-old boy being treated and injuring his mother. What to know about the equipment.

A 5-year-old boy has been killed and his mother injured after a pressurized oxygen chamber exploded at a suburban Detroit medical facility. Troy police and fire officials tell reporters that the hyperbaric chamber explosion occurred Friday morning at the Oxford Center in Troy,

TROY, MI -- An investigation is underway, but officials in Troy have confirmed a 5-year-old Royal Oak boy was killed Friday in an explosion at a medical facility.