WHILE DRIVING DOWN THE THE ROAD STARTER ENGAGED. I STOPPED THE CAR OFF THE ROADWAY AND TURNED OFF THE CAR. THE STARTER CONTINUE TO TURN THE ENGINE AS IF I WAS CRANKING THE CAR. I REMOVED ALL FUSES THAT WERE RELATED TO THE STARTING SYSTEMS OF THE CAR. THE STARTER CONTINUED TO CRANK THE ENGINE UNTIL IT CAUGHT FIRE. THE FIRE WAS AT THE STARTER THE BEST I COULD TELL UNDER THE ENGINE INTAKE . OTHER ITEMS DAMAGED UNKNOWN. I HAVE BEEN HAVING PROBLEMS WITH THE BATTERY GOING WEEK OVER THE PAST MONTH. THIS MORNING THE BATTERY WAS COMPLETELY DEAD. LAST DROVE 2 DAYS PRIOR.