Detectives from the Tablelands Criminal Investigation Branch (CIB) are appealing for public assistance following multiple suspicious fires in Mareeba on May 10.
Emergency services were called to the yard of a Walsh Street address around 7am, following reports of mattress on fire.
The blaze was extinguished, and no one was injured.
At 7.30am, emergency services responded to a house fire at a Couper Street address.
The sole occupant sustained minor injuries.
Around the same time, a small fire was lit in scrubland near lower Byrnes Street and was extinguished by an unknown male in a white utility.
Detectives are appealing for anyone who was travelling on Byrnes Street, Couper Street and Walsh Street between 6.50am and 7.30am on May 10, and may have dashcam or witnessed suspicious behaviour, to come forward.
Investigations are continuing.
