Yahoo7 News | Riot squad called as teens trash vacant south Sydney home Yahoo7 News The riot squad, a police helicopter and a dog unit have helped break up a party of 150 people at a vacant house in Sydney's south. A police officer has been knocked to the ground trying to break up an out of control party in Gymea where children as ... Riot squad sent to wild party at vacant house involving 150 teens Riot squad busts wild teen party Gymea Party host 'extremely apologetic' after his home is trashed by party chrashers |