Nottinghamshire Police want to speak to a man, pictured, in connection with an incident at a football match.
Officers are investigating after a smoke bomb was thrown onto the pitch at the end of the Notts County v Coventry City game at Meadow Lane on May 18.
If anyone has any information, you are asked to call the force on 101, quoting incident number 173 of May 18.
You can also contact Crimestoppers anonymously on 0800 555 111.
