Several calls received to 3 storey flat fire. Upon arrival crews made persons reported and make pumps 5 restricted with aerial. Fire in all 3 storeys of property plus basement and roof space apartment. 3 hose reels, 4 breathing apparatus and positive pressure ventilation used for smoke clearance. Fire investigation officer also mobilised to determine the cause of fire. Crews confirmed all persons were accounted for and smoke alarms were fitted and sounding at the time of call.