Officers are looking to speak to a woman in connection with an assault on a tram.
The incident, where a woman assaulted a man, happened while the tram had stopped in Noel Street.
He was left with a cut on his lip, police say.
The incident happened on Saturday, December 7, at around 12.20pm.
A Nottinghamshire Police spokeswoman added: "Officers would like to speak this woman (pictured) in connection with an assault on a tram.
"If you recognise this woman please call 101, quoting incident number 372 of 7 December 2019."
