BOSTON (AP) — The utility company involved in last month's explosions and fires in Massachusetts says it has replaced nearly 36 miles of main pipeline in the area. Columbia Gas announced Sunday that it's 80 percent through its work replacing 45 miles of main pipeline, and about halfway through its work replacing 6,100 service lines to homes and businesses. The company says 151 construction crews are expected to continue work Sunday in Lawrence, Andover and North Andover. The Sept.Read more on NewsOK.com