The 39-year-old had been using the Lloyds TSB machine in High Street at about 1.20am on Sunday (September 18) when he was attacked by three teenagers. He was punched in the face before being chased by the group as he ran to Navigation Wharf. Police are appealing for witnesses to the incident. The attackers are described as two boys and a girl, all aged in their late teens. PC Trudy Paine, investigating, said; This was a nasty, unprovoked attack. I would appeal to anyone who saw what happened or knows who is responsible to contact police. Anyone with any information should call PC Paine on 0345 456 4564 or Crimestoppers, anonymously, on 0800 555111.