More than 150 people turned up to an illegal rave outside Heydon in the early hours of yesterday morning.
Due to the large numbers of party-goers already present, police were unable to shut it down immediately once they had showed up.
The rave, in an unused barn, was cordoned off and people were turned away.
About 40 cars were double parked along Fowlmere Road, meaning other drivers had problems getting into the village.
Police issued a section 63 notice to remove people and vehicles from the site and the area was cleared by midday.
Chief Insp James Sutherland said: “Illegal ‘raves’ will not be tolerated and where appropriate any sound equipment on-site will be seized. Attendees leaving such an event, intending to drive, are also likely to be breathalysed.
“I know that events like this do cause upset and inconvenience. Being able to prove the impact of an illegal rave on the local community can form a key part of post event prosecutions so please don’t let anyone suffer in silence.”
Police are urging anyone who was affected by the event to contact them on 101.
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