The Westport Fire Department responded to a Federal Express tractor trailer fire on I-95 North Exit 18 to 19 at 0524 hrs this morning. The driver of the tractor trailer was notified by another truck operator via CB radio of a fire around his right rear tire.  The Fed Ex driver pulled over to the side of the road and attempted to put the fire out.  The tire exploded and the fire extended to the trailer portion and storage area.  Westport Fire Fighters extinguished the fire and were assisted by Fairfield Fire Fighters removing packages from the trailer and making sure all the fire was extinguished. The last Fire Fighting unit cleared the scene at 6:22am.(Westport Fire Department Press Release)