CBS LocalPortland, Oregon Natural Gas Explosion Injures 8CBS LocalPORTLAND, Ore. (CBS / AP) — A powerful natural gas explosion rocked a busy Portland, Oregon, shopping district Wednesday, injuring eight people and igniting a fire that sent a huge plume of smoke over the heart of the city. Three firefighters, two ...Explosion reported in NW Portland; 7 injured, including 3 firefightersOregonLive.comOregon Natural Gas Explosion Injures Eight, Destroys BuildingNBCNews.comAt least 8 injured in Portland gas explosion9NEWS.comPatch.com -Fox News -The Seattle Times -The Columbianall 94 news articles »