Hyperbaric Chamber Explosion

February 10, 2012 - 7:05 PM
Authorities say an apparent spark within the high-oxygen chamber of a Florida equine sports medicine center triggered a massive explosion that caused part of the building to collapse, killing a worker and a horse, Friday, Feb. 10, 2012 in Ocala, Fla. (AP Photo/The Ocala Star-Banner, Don Engle) MAGS OUT