Sexual Crimes Squad detectives are hoping to identify a man after a man was sexually assaulted in Preston 0n 17 March.
A man arranged to meet a man via an online dating app at a residential address in Preston when he was sexually assaulted about 9pm.
Investigators have released an image of a man they believe may be able to assist with their enquiries.
The man is perceived to be Indian in appearance, aged in his 30s and was wearing a dark green jacket.
Anyone who recognises the man or with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report at www.crimestoppersvic.com.au