The 22-year-old was walking along Byron Close at about 10.30pm when he was assaulted. A friend came to his aid and he was taken to hospital for treatment. Three of the group were Asian, one black and one white. PCSO Angie Wilson said: This was a nasty attack and I would urge anyone who saw what happened, or knows who is responsible, to call police. INFORMATION: Anyone with any information should call police on 101 or Crimestoppers, anonymously, on 0800 555111.