Cardinia Crime Investigation Unit detectives are appealing for witnesses following an attempted armed robbery in Beaconsfield late last year.
Investigators have been told a man entered a restaurant on Princes Highway about 8.30pm on Wednesday 18 December.
The man threatened staff with a large knife and made demands for cash before fleeing empty handed.
No one was physically injured from the incident.
Police have released images of a man they believe may be able to assist with their investigation.
He is perceived to be Caucasian in appearance, and was wearing a black Ripcurl cap and a red sports jersey with white writing.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at
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