UPDATE 6:30PM: TFS crews have contained both fires in the Bridgewater and Gagebrook areas.
They say there may be visible smoke and fire activity in the area for some time.
Crews have now turned their attention to a structure fire on the Lyell Highway north of New Norfolk.
EARLIER: Fire crews are also attending another bushfire at Barton Crescent in Bridgewater.
EARLIER: Fire crews are currently responding to a ‘large grass fire’ in Hobart’s Northern Suburbs this afternoon.
Authorities say the fire is on the Derwent River side of Herdsmans Cove.
Access has been restricted to Lamprill Circle, Holloway Drive and Whelan Drive while firefighters bring the blaze under control.
Due to smoke and reduced visibility, the public is advised to stay away from the area.
