PE00020; TIRE TREAD SEPARATION: WHILE DRIVING AT 70 MPH TREAD ON THE LEFT REAR TIRE CAME OFF, CAUSING DRIVER TO LOSE CONTROL. EXPLORER FLIPPED OVER ABOUT 3 OR 4 TIMES. THERE WERE TWO PEOPLE IN THE VEHICLE AND BOTH WERE INJURED. TIRE WAS A FIRESTONE ATX (235/75R15). OWNER IS NOT SURE IF THE TIRE WAS PURCHASED WITH THE VEHICLE. TWO VEHICLES WERE TOTALLED. DEALER WAS NOTIFIED ABOUT THE CRASH, AND CLAIMED NO RESPONSIBILITY. *AK *MJS