A man has been arrested in connection with the sexual assault of a 13-year-old girl in Selsey.
The incident is reported to have occurred in an alleyway between Manor Road and Manor Lane around 8.20am on Wednesday 29 May.
A 20-year-old man of no fixed address handed himself into custody on Wednesday evening and was arrested on suspicion of attempted rape. He remains in police custody at this stage.
Police have increased patrols in the area and are continuing to appeal for witnesses to the isolated incident.
You can report it online or call 101, quoting Operation Westhead.