ROANOKE, Va. – Environmental advocates say the pipeline explosion just outside Houston is a reminder of the potential dangers of a pipeline in our own backyard. Officials say a vehicle traveled through a fence and struck a valve for a natural gas fluids pipeline in Deer Park, Texas.

View of pipeline explosion in La Porte, Texas A pipeline fire that erupted in a suburban Houston neighborhood burned throughout a second day and into the night Tuesday with still no definitive word on when the blaze would finally go out,