AN AUTOPSY HAS REVEALED A MOUNTAIN CITY TRUCK DRIVER DIED OF NATURAL CAUSES LAST WEEK IN MAINE. BRIAN ISDELL REPORTEDLY DIED OF A HEART ATTACK BROUGHT ON BY ARTERY DISEASE. HIS BODY WAS FOUND A SHORT DISTANCE FROM HIS TRUCK THAT WAS PARKED AND ITS LIGHTS STILL ON AND ITS ENGINE RUNNING. HOWEVER, THE BANGOR DAILY NEWS QUOTED SEVERAL LOCAL RESIDENTS WHO BELIEVE ISDELL DIED CONFRONTING SEVERAL TEENS WHO WERE THROWING OBJECTS AT THIS TRUCK. POLICE WILL DECIDE WHETHER TO PRESS ANY CHARGES.