THE ARIZONA DEPT PUBLIC SAFETY & PHOENIX POLICE DEPT ARE REPORTING HIGH OCCURENCES OF FIRES ASSOCIATED WITH REAR-END COLLISION OF THE CROWN VICTORIA VEHICLES, AN OFFICER WAS KILLED WHEN HIS VEHICLE WAS STRUCK FROM BEHIND AND BURST INTO FLAMES, THE OFFICERS VEHICLE WAS STOPPED FOR A TRAFFIC STOP AND THE OTHER VEHICLE WAS TRAVELING IN EXCESS OF 81 MPH AT IMPACT, AUTHORITIES SUSPECT FUEL SYSTEM RELATED (NO VIN GIVEN)*JB