Six people have been arrested after police stopped an illegal rave in an Essex quarry in the early hours.
Officers were called by residents complaining of a loud noise at Coggeshall in Essex.
Police found about 40 people attending a rave in the quarry just off the A120, Bradwell Road.
The people arrested are still being held in custody on suspicion of making a nuisance and committing public order offences, a police spokeswoman said.
Superintendent Tim Stokes said: "Essex Police will not tolerate any illegal raves in the county and will take robust and quick action to stop these events from happening."
The men arrested are a 19-year-old from Brightlingsea, a 19-year-old, a 20-year-old and a 26-year-old from Braintree and two 22-year-olds from Witham.