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

As of Tuesday morning, the fire caused by an exploding pipeline in a Houston suburb continued to burn itself out, according to officials.

A pipeline fire that forced hundreds of people to flee their homes in the Houston suburbs is burning for a third day, with officials saying they don’t expect it to be extinguished until sometime Thurs