NiSource /tags/nisource NiSource en-US Copyright Mon, 17 Sep 2018 19:58:28 GMT Columbia Gas Investigated After Massachusetts Explosions /ohio-news/2018-09-17/columbia-gas-investigated-after-massachusetts-explosions The National Transportation Safety Board is investigating Columbia Gas of Ohio's parent company NiSource after gas-related explosions and fires in north... Mon, 17 Sep 2018 19:58:28 GMT /ohio-news/2018-09-17/columbia-gas-investigated-after-massachusetts-explosions Adora Namigadde