At 13:58hrs the light structure was dispatched for a possible structure fire in the 300 block of West St. As units were checking enroute WestCom upgraded to a box alarm with multiple callers and reports of people still inside the residence. Upon arrival of 2101 heavy smoke was reported pushing from the roof line and vents with all occupants out of the home. Upon arrival of Truck 21 an offensive attack thru the front door was initiated with fire breaking thru the roof at the same time. With Engine 22 establishing a water supply and Engine 24 assisting with opening up the interior the main bulk of the fire was knocked down quickly and searches completed. Upon completion of assignments all units retuned to service at 15:49hrs. During the incident 2104 was the Incident Safety Officer, Battalion 31 Accountability Officer, Engine 33 the RIT and Engine 3 was on deck along with FBCEMS.