10 December: Manly police have warned people of the dangers of promoting parties on social media after a number of parties got out of hand at the weekend.
The riot squad was called to help local police disperse a group of up to 200 youths at a party in the sand dunes at Long Reef on Saturday night.
Northern Beaches crime manager Inspector Craig Wonders said police were called to Long Reef at 9pm on Saturday following reports of loud music and youths causing trouble.
When the police arrived at the scene, they saw a large number of the youths were intoxicated. He said some of the youths threw bottles at the police but no one was injured.
Insp Wonders said the party, which included DJ equipment, speakers, power generators and laser lighting, had been advertised through social media networks and SMS messages.Police arranged buses to disperse the youths from the area and make sure they got home safely.
Manly crime manager Insp Luke Arthurs said another three parties at Balgowlah, Seaforth and Clontarf had to be broken up by Manly police because were causing problems for neighbours.