CCTV vision regarding Sunshine jewellery store armed robbery on 13th June 2018. Credit:Victoria Police

Armed thugs who threatened shoppers with a gun and a hammer during a robbery at a popular western suburbs shopping centre on Wednesday afternoon are being hunted by police.

Waving their weapons and wearing motorbike helmets, the two men burst into Michael Hill Jewellers store in Sunshine Marketplace just before 5pm.

The man with the gun threatened a staff member while the other man used the hammer to smash glass display cases.