Gas leak causes explosion at Sunny Isles Beach high-rise building

A gas leak caused an explosion in the boiler room of a penthouse at a Sunny Isles Beach high-rise building Friday, injuring six people, including two firefighters who were helping with the rescue effort.Sky 10 was above the building at the Chateau Beach Residences, 17475 Collins Ave.Sunny Isles Beach spokesman Brian Andrews told Local 10 News that the Chateau is under construction. He said debris from the blast injured guests at an adjacent hotel.Two workers were injured in the explosion on the