the explosion happend on a rig off the Louisiana coast at around 10 pm tuesday. 17 workers were hurt and 11 remain unaccounted for. 126 people were on the rig at the time of the explosion and most escaped unhurt. the coast guard is searching for the missing workers. the fire continues to burn because the rig was driling at the time of the explosion. most of the oil releasted by the blast is burning and therefore not spiling into the gulf of mexico. the rig is starting to sink. the cause of the explosion is not known at this time. for more infrmation see http://www.cnn.com/2010/US/04/21/oil.rig.explosion/index.html