PE00020; TIRE TREAD SEPARATION: WHILE DRIVING AT 70 MPH TREAD ON FRONT DRIVER'S SIDE TIRE CAME OFF. DRIVER LOST CONTROL OF VEHICLE AND CRASHED INTO A GUARDRAIL. DRIVER WAS THE ONLY PASSENGER IN EXPLORER, AND DID SUSTAIN INJURIES. TIRE WAS A FIRESTONE, WILDERNESS, ATX, TIRE SIZE P25570R16, AND WAS ORIGINAL EQUIPMENT. FIRESTONE WAS NOT CONTACTED ABOUT TIRE. PLEASE PROVIDE ANY FURTHER INFORMATION. *AK