A man has been arrested in connection with an alleged sexual assault at a rave in Watford.

Police issued an appeal in connection with the incident earlier this week, and have since arrested a 25-year-old man.

The alleged assault took place at a rave in Otterspool Way between 2am and 3am on Sunday, May 18.

The man, who is from Harlow, remains in police custody whilst enquiries continue.