The riot squad had to be called in to shut down a wild party in Werribee on Wednesday morning.
Officers arrived at the Attunga Grove place around 3.30am finding an out of control gathering.
Party goes pelted them with rocks, forcing them to call in the riot squad for back up.
Once they showed up everyone left without incident.
The home is badly damaged but no one has been arrested at this stage.
A police officer has a minor elbow injury.
Police are investigating criminal damage to the home.