Officials say human remains have been 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.

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,

Residents in suburban Houston returned to their homes Thursday after evacuating from an ongoing natural gas pipeline fire. Officials say the case turned into a criminal investigation as they work to identify the remains found in the SUV that struck the pipeline.