Police have released CCTV images of a man wanted in connection with an assault outside a nightclub in Bolton.
Between 3.15 and 3.30am on Thursday 8 November 2012, a 21-year-old man and his friend were approached on Mawdsley Street in the town centre outside J2 night club by three other men.
One of the men punched the 21-year-old in the face and walked away. He suffered a fracture to his jaw.
Detective Constable Pam Chandler said: "This appears to be an unprovoked attack and was a powerful blow which has knocked the man to the ground causing extensive injuries.
"We are appealing to the public to take a look at these images and if you recognise the man wearing the red/orange top or witnessed the assault, please get in touch."
Anyone with information should phone police on 0161 856 5740 or the independent charity Crimestoppers, anonymously, on 0800 555 111.