Strings Bar and Venue, on Orchard Street in Newport, hosted an event for teenagers to fundraise for local scouts - the event, which ran in the evening, operated a 'strict dry-bar policy'. The venue is behind Newport Bus Station (Image: IWCP)For safety reasons, the venue stopped people leaving and returning. A spokesperson said a group then became aggressive and tried to force its way back inside. The event was then cut short, and some attendees became abusive and physically aggressive towards staff, a spokesperson said, in a 'serious escalation of anti-social behaviour'. Update (7.19pm): Police have confirmed two teenagers were arrested after the club night.