A vehicle crashed into a gas pipeline valve near Houston, exploding into a tower of flame that has burned for days. Investigators are now looking into whether it was more than an accident.

Officials have confirmed the cause of Monday's pipeline explosion, fire in La Porte. Energy Transfer has set up a helpline for Deer Park residents.

With the fire substantially smaller since it began on Monday, police were able to access the area around the pipeline in Deer Park. Investigators removed the white SUV and towed i