Police are appealing for public assistance after a number of punters were robbed at a dance party in Melbourne this month. 

Victorian police said in a statement today that a number of people were assaulted by five unknown offenders at the party held in an abandoned building in Yarraville on 10 June. 

The offenders, described as male and female aged in their 20s, stole wallets, mobile phones, bags and passports.

Maribyrnong Crime Investigation Unit detectives have released digital images of a man and woman (below) they believe may be able to assist with enquiries. 

Anyone who recognises the pair is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report here.