A pipeline fire that burned in a Houston suburb for four days finally went out Thursday as authorities announced a criminal investigation into the blaze that had roared into a towering flame, forcing neighborhoods to evacuate and melting parts of nearby cars.

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,