Police have issued CCTV images of three men they want to speak to after a man was attacked in Norwich city centre.
A man in his 40s was assaulted in Magdalen Street between 1.15am and 1.45am on Sunday, November 11.
He suffered leg injuries.
Norfolk police said they want to speak to the men pictured as they may be able to help with their investigation.
They said a member of the public went to help the injured man and officers are also keen to speak to them.
Anyone who can help should contact PC Steve Payne at Bethel Street Police Station on 101 or Crimestoppers on 0800 555 111.
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