so much for the burns. >> reynolds, keeping an eye on this and other weather around the country. >> snow, too. >> yes. snow, folks. all right. we'll check back with you. >> great explanation, guys. while workers try to put that dome on the leak, we're trying to figure out what happened, what caused that blast, that rig to blow up. the associated press is reporting a bubble of methane gas shot up the drill column. the gas expanded so fast that it blew through seals and barriers and just exploded. this is coming from interviews with surviving rig workers taken during bp's internal investigation. they're not commenting on the support. at least publicly just focusing on containing the spill. >> we are proceeding with a lot of caution to ensure that we don't make what's clearly a very bad situation worse. >> and how could that be made worse that you do some damage to the pipes? >> somehow do some damage to the pipes. this needs to be done with a