Police are appealing for information following an armed robbery at a service station in Sydenham last month.
Investigators have been told a man arrived at the service station on Melton Highway on a Dualtron Eagle electric scooter just after 2am on March 27.
He was wearing black jacket, pants, gloves, shoes and helmet. The man was carrying a black backpack.
Police said the man produced what appeared to be a handgun and demanded money.
He then sped off on a scooter after stealing undisclosed amount of money and cigarettes.
No one was hurt during the robbery.
The man is believed to be a caucasian and is approximately between 30 to 40-years-old.
Investigators have released images and CCTV footage.
Anyone with information can contact Crime Stoppers on 1800 333 000 or at www.crimestoppersvic.com.au
