Police investigating the disorder following a rave in Croydon have released eight new images of people they would like to trace.
The images are of people who were in and around the site of the rave at a disused sorting office in Cherry Orchard Road in the early hours of June 15.
South Area Commander Simon Letchford said:
So far, a total of 20 people have been arrested in connection with the event, nine of whom were arrested during the event.
Rio Andrew, 15, was taken to hospital, after falling ill at the event. A 19-year-old also taken ill at the rave has now been discharged from hospital.