Nottinghamshire Police have released video footage after a nighttime assault in Ashfield left a man with serious facial injuries.
Officers are asking if anyone recognise any of the men in this video?
"They are sought in connection with an assault in which a man suffered nasty facial injuries," said the force. "The assault took place at around 11.50pm on 1 May 2016 in Reform Street, Sutton-in-Ashfield.
"Anyone who knows anyone in the footage or who has information which may assist officers is asked to call Nottinghamshire Police on 101 quoting incident number 192 of 3 May 2016 or Crimestoppers anonymously on 0800 555 111."