Police are hunting a man who fled on a push bike after holding up a gaming venue at Werribee.

The bandit entered the Plaza Tavern at around 2 pm and placed a bag on the counter before pulling out a silver handgun and demanding cash.

The attendant complied and the man was last seen riding off along Heaths Road an a mountain bike.

He was wearing an Akubra-style hat, a Driza-Bone jacket and a scarf.

No-one’s been injured but police are asking for public help in identifying the man.

Anyone with information is asked to call the anonymous Crime Stoppers hotline on 1-800-333-000 or visit the website at www.crimestoppers.com.au.