Police has dicovered a cannabis plantation during an operation in which at least 80 people arrested Nimbin’s annual Mardi Grass festival on the New South Wales in Australia.

NSW Police said in his statemnet, “On Friday police executed a search warrant on a Basil Road, Nimbin, (property) in which two hydroponic cannabis-growing units were located. Police seized 1.4kg of cannabis leaf”.

No one has been arrested in relation to the discovery, but at least 24 people have been issued cannabis cautions and there have been three drink-driving charges, including a 28-year-old man who blew 0.175 after crashing his van.

Police have also seized cannabis, LCD, ecstasy, amphetamines & a quantity of cash, suspected of being the proceeds of crime, from one person allegedly selling drugs at the event.