Bellingham, MA (NORFOLK COUNTY) - The Bellingham, MA Fire Chief arrived on scene to find heavy fire venting from side A of a duplex at 44 Chestnut Street around 2320hrs on December 17, 2008. The fire was pushing through the center petition over the 2 front entrances of the dwelling. The fire did extend into the attic area causing extensive damage. Engine 1's crew stretched in a CAFS foam line into the left side of the duplex quickly knocking the fire down. BFD-1 (Chief) requested a second alarm due to the heavy smoke venting from the dwelling bringing in Woonsocket, Franklin, and Milford's Air Supply. Bellingham Ladder 1 threw their stick to side 1 to open up the exterior wall to find any hidden fire. Firefighters opened up the ceilings on the upper level exposing the heavy fire damage in the attic area. The aggressive interior attack kept this fire from tearing through the rest of the structure. Neighbors reported that dogs were possibly inside the structure at the time of the fire, but searches seemed to negative for human and canine occupants as of this writing. No injuries were reported and the scene is under investigation for cause and origin.