Police have released dashcam video of a head-on collision that killed one man and burned another last week near Wellsville, Utah. The driver appeared to disregard the officer's attempts to pull him over, Seconds later, the black truck veered left into oncoming traffic and struck a semi truck loaded with sand. Police said the truck was speeding and at the point of impact there was a violent explosion, visible on the video from the pursuing police car. William Gray was driving the truck and exited the cab on fire, extinguished by a Utah Highway Patrol trooper. He was taken to a local hospital and then taken by air the University of Utah hospital. Marcos Torres, 26, of Brigham City, was driving the Chevy truck and will killed at the scene.