Drinking, brawling youths allegedly threw bottles at police investigating an out-of-control party in East Cannington last night.
"About 12.50am this morning, officers were called to a disturbance outside an address on Campbell Street in East Cannington following reports of a number of youths drinking and fighting," a police spokeswoman said.
"Several police resources were required to attend, in including Police Airwing where officers eventually dispersed the crowd."
Some members of group allegedly threw objects at police vehicles on their arrival.
Several arrests were made for offences including Disorderly Conduct and Assault.