March 29, 2011  reported chimney fire.  Engine 2 reports fire in the walls on second floor and attic area.  Ladder 1 & 2 to roof for ventilation, Engine 5 and 1 assist in opening walls and ceilings to expose fire and extinguishment.  Fire contained to attic area with smoke and water damage to second floor.  Resident's cat was found and returned to him.  Fire appeared to be accidental in nature and fire investigators were called to make final determination.