Police are investigating the circumstances surrounding a suspicious fire which occurred in Fawkner earlier this month.
Emergency services were called to a fire at the rear of a gym on Down Place about 12.30pm on Friday 2 October.
The blaze was quickly extinguished and deemed to be suspicious.
Detectives have made a number of enquires and have released CCTV and images of a man they believe may be able to assist them with their enquires.
Anyone who can identify the man or with further information is urged to contact Crime Stoppers on 1800 333 000 or visit www.crimestoppersvic.com.au