Northern Territory Police are continuing to call for information in relation to a vessel fire that occurred in Francis Bay in January this year.

Authorities responded to a fire on a commercial vessel around 3:30am, on 13 January.

Detectives from Major Crime Squad would like to speak with two people seen on bicycles in the area of Francis Bay Drive at the time of the blaze.

Anyone who may have photos/dash-cam footage or any other information is urged to contact police on 131 444 or anonymously via Crime Stoppers on 1800 333 000. Please quote reference 9535568.