Billerica, MA - On Christmas Eve, Billerica Firefighters had a column of smoke up from a few streets away. Crews arrived to find heavy fire showing from the addition on the 'Bravo' side of the dwelling. Crews made an aggressive interior attack and stopped the spread of the fire from getting into the main house. Companies had the fire knocked down in a short amount of time and remained on scene for a few hours checking for extension and hot spots.