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. With the fire substantially smaller since it began on Monday,

The Deer Park Police Department said the incident involving a vehicle that crashed into a natural gas pipeline in Houston, Texas and ignited a massive fireball is now a criminal investigation.

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