This fire occurred at 39 Wheeler St. Around 1735 hrs a call came in reporting the fire. Smoke was showing on arrival from this 1 story dwelling. C-2 Deputy Steve Rowland called the working fire and an extra Engine from Fitchburg to the fire. All occupants were able to get out but 4 adult cats perished as firefighters attempted to revive them. Also about 4-6 day old kittens were removed alive, and are under the care of a Vet. The cause was listed as accidental.