Police would like to speak with this man in connection with an unprovoked assault on the tram.
The alleged assault took place at around 6.50pm on Saturday, 28th March 2015, when the tram was in the area of Hucknall station.
The man officers would like to trace is described as aged around 50, of large build.
He was wearing a dark coloured jacket and has dark hair.
If you can help at all please call Nottinghamshire Police on 101 quoting incident 752 of 28 March 2015.