Explosion Fears News Today

Officials say it's not a matter of if, but when an explosion will occur.

>> leland: we are now in the third week of the eruption of hawaiis volcano an the big island. geologists saying lava is spewing deadly plumes of tiny particles of volcanic glass. they may have to evacuate 1,000 more people if the lava crosses key highways cutting off communities in mostly rural parts of that island. meanwhile, blue flames -- you cant see them quite in the video, but theyre there. theyre burning inside the lava and that are prompting new explosion fears. the bright blue means the...