Two police officers have been assaulted while shutting down an out-of-control Halloween party attended by hundreds of people in Perth's southern suburbs.

Police were called to a property on Linton Street North in the Perth suburb of Byford just after 9:30pm on Friday to disperse the largely intoxicated crowd of 400 people, including some gatecrashers.

It is alleged a 16-year-old girl punched an officer in the face and kicked another in the knee before the party was shut down.

The Glen Iris girl was charged with two counts of assaulting a public officer, while a 21-year-old man from Thornlie was charged with obstructing police, disorderly conduct and possession of drugs.

A 17-year-old boy was also issued a move-on order.

People could be seen clearing bottles, shoes and other debris fro

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