Officers have released CCTV of a person they would like to speak with after an incident on a bus.
Reports were received of a man touching himself inappropriately at the back of the bus as it was stopped in Granville Avenue at about 11.30pm on 30 June.
The suspect then got off the bus near Beeston.
Officers would like to speak with the man pictured in these images.
DC Laura Twigger, of Nottinghamshire Police, said:
“This was an upsetting incident for those who witnessed it and we are treating it with the utmost seriousness.
“We believe the man pictured in these images can help us with our investigation and would like to speak with him at the earliest opportunity.
“If this is you or you know who it is, please contact us without delay.”
Anyone with information is asked to call 101 quoting incident 26000394410.
