A pressurized oxygen chamber exploded Friday, killing a 5-year-old patient and injuring his mother at a suburban Detroit medical facility. The hyperbaric chamber explosion occurred about 8 a.m. at the Oxford Center in Troy,

A 5-year-old boy from Royal Oak, Michigan, was killed Friday morning when a hyperbaric chamber exploded inside a Troy medical center, officials said. The explosion, which occurred at The Oxford Center shortly before 8 a.