Sussex police are appealing for witnesses to a sexual assault in Crawley.
The incident which happened in July at a funfair in Southgate Park states a teenage girl was assaulted on the Waltzer ride.
A 17-year-old boy from Crawley was arrested on suspicion of sexual assault and has been released on bail pending further investigation.
If you can assist the police with their enquiries, you are asked to contact them on 101.