Somerville and Raritan were dispatched this morning for a reported smoke condition in a house on Canal St.. Upon arrival, a 1st alarm was transmitted for a working structure fire. The second fire in Raritan in the last 72 hours. Somerville E-3 arrived shortly after and an attack was initiated on the second floor. However, conditions rapidly deteriorated and members were evacuated from the building. Numerous crews from around the area would spend hours fighting this stubborn fire that would reach 2+ alarms.