Police charged 85 people with drug-related offenses at the Field Day music festival in Sydney on New Years Day.
Sniffer dogs have helped police detect and seize MDMA, ketamine, magic mushrooms, LSD, cocaine and marijuana.
Two people were arrested for supplying drugs, one of them allegedly carrying 50 ecstasy pills and the other for possession.
Almost 12,000 people attended the annual New Years festival at the Domain in the city center to watch electronic duo Peking Duk, DJ Anna Lunoe and Brisbane singer Mallrat, among others.
An officer leads a spectator by the hand as police patrol the outside perimeter of the music festival (pictured)
Numerous sniffer dogs were spotted outside the main entrance to the summer music festival (pictured) on Saturday afternoon. It is not suggested that this dog found anything
One of the drug supply counts involved a 22-year-old man who was allegedly found with 50 MDMA capsules.
Police allege the man “struggled with the police” during the search, causing minor injuries to a senior officer.
The man was subsequently arrested and charged with supplying drugs, assaulting police and resisting arrest.
He was denied bail to appear before the local court in Parramatta on Sunday.
Police made 85 arrests on Saturday (Photo: A spectator is escorted by police outside the Field Day gates as the summer festival kicks off)
A heavy police presence was observed at the Sydney Estate as NSW Police patrolled the area with sniffer dogs (pictured)