THE LEFT REAR TIRE LOST ITS TREAD CAUSING THE VEHICLE TO SWERVE TO THE RIGHT, THE DRIVER OVERCORRECTED TO THE LEFT CAUSING THE VEHICLE TO GO INTO A BROADSKID ACROSS BOTH LANES, THE VEHICLES RIGHT SIDE TIRES SEPARATED FROM THE WHEELS CAUSING THE WHEELS TO DIG INTO THE GROUND AS A RESULT THE VEHICLE ROLLED OVER SEVERAL TIMES, BOTH DRIVER AND PASSENGER SUSTAINED INCAPACITATING INJURIES (POLICE REPORT, BRIDGESTONE/FIRESTONE, P235/75R15, RADIAL ATX M/S, W2HL1M0203, LEFT REAR). NLM