Police are continuing investigations into a structure fire and a vehicle fire which both occurred on Tuesday night (18 November).
The structure fire was at a residence on Tolosa Street, Glenorchy and the vehicle fire was the vicinity of Gordons Hill Road, Lindisfarne.
Police believe the two incidents are linked and are calling for information from members of the public.
Investigators are seeking any dashcam footage or information about a vehicle and/or person parked or stopped on the Tasman Highway (between the Rosny Hill exit and the Dampier Street overpass on Tuesday night, between 11.10pm and 11.30pm.
Anyone with information is asked to contact Constable Inglis at Glenorchy CIB on 131 444 and quote OR790509.
Information can also be provided to Crime Stoppers Tasmania on 1800 333 000 or at crimestoppers.com.au. You can stay anonymous.