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.

With the fire substantially smaller since it began on Monday, police were able to access the area around the pipeline in Deer Park.

Human remains were found inside the vehicle that crashed into a pipeline, causing a days-long fire, Texas officials said. Screengrab from KHOU video Human remains have been found inside the white vehicle that crashed into a pipeline in Texas,