Politicians say utility at center of explosions should close

Politicians say utility at center of explosions should close: LAWRENCE, Mass. (AP) — Executives at the utility company responsible for September's natural gas explosions and fires in Massachusetts should step down, congressional members said Monday at a special hearing into the disaster. The six House and Senate members from Massachusetts and New Hampshire held the hearing at a packed middle school gymnasium in Lawrence. They took aim at the corporate culture at Columbia Gas of Massachusetts and its parent company, Indiana-based NiSource.