Human remains were found inside an SUV that authorities say hit an aboveground valve on a pipeline in suburban Houston, causing a fire that has burned for four days, officials said Thursday. As authorities worked to identify who had driven the vehicle,

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.

A fire that burned for four days after a pipeline explosion in the Houston suburbs burned out Thursday after the once-towering blaze put hundreds of nearby homes under evacuation orders. Investigators say the fire began after the driver of an SUV went through a fence alongside a Walmart parking lot and struck an above-ground valve.