Bristol illegal rave attended by 700 people
Officers who were called to Yate at around 22:30 GMT on Saturday said up to 700 people were in attendance.
Some of the crowd began acting violently towards officers as they were told to leave, Avon and Somerset Police said.
The crowd was ordered to disperse and police said two people were in custody.
The BBC's Lee Madan spoke to three people who attended the rave.