THE AIRCRAFT EXPERIENCED A FAILURE OF THE NUMBER 1 (LEFT ENGINE) AND SUBSEQUENT NACELLE FIRE WHILE ON SHORT FINAL FOR LANDING. PILOT MADE UNEVENTFUL LANDING, AND CONDUCTED EMERGENCY EVACUATION ON THE RUNWAY. THE CAPTAIN FIRED BOTH FIRE BOTTLES BEFORE EXITING THE AIRCRAFT. AIRPORT FIRE DEPARTMENT EXTINGUISHED THE FIRE. INVESTIGATION REVEALED FAILURE OF THE POWER TURBINE DUE TO FOREIGN OBJECT DAMAGE RESULTING FROM A FAILED TURBINE CASE BOLT.