Police are appealing to members of the public following a serious assault in Bulwell last week in which a man in his 60s was punched unconscious.
They want to to speak to the man pictured in connection with the serious assault at Bulwell Bogs Park on Saturday June 27.
The incident took place at around 11.30am in the park.
A man in his 60s was punched unconscious, suffering injuries which required hospital treatment.
The man sought is described as white and in his 30s of heavy build.
He was wearing a black t-shirt with a blue logo on the front and blue shorts.
The man was in the company of a child - possibly his son - and both had bicycles with them.
If you recognise the man or think you can help with any information, please call Nottinghamshire Police on 101.
Alternatively you call Crimestoppers anonymously on 0800 555 111.
In either case please quote the incident number for this crime which is 398 of 27 June 2015.