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.

Three days after an SUV crashed into a liquid natural gas pipeline, starting a fire that was finally extinguished Thursday, police say human remains were recovered from the vehicle on Thursday. “The Deer Park Police Department was able to access the site and remove the white vehicle associated with the pipeline fire incident,

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