Launceston Criminal Investigation Branch (CIB) has charged three people in relation to a structure fire in Invermay on 26 July.

At approximately 8.50pm, emergency services were called to a fire at a unit on Dry Street.

Tasmania Fire Service extinguished the fire, however, the unit sustained total structural damage.

As a result of ongoing investigations, a 14-year-old, 15-year-old, and 18-year-old have been charged with arson.

Police continue to investigate the incident and urge anyone with information to contact Launceston CIB on 131 444 and quote OR780968.

Information can also be provided anonymously through Crime Stoppers Tasmania at crimestopperstas.com.au or on 1800 333 000.