Police in York are appealing for help to identify the man in this CCTV image.
Officers believe he could have important information that could assist an ongoing investigation following a sexual assault on 11 August.
The man or anyone who can help identify him is asked to contact North Yorkshire Police on 101 and pass information to the Force Control Room.
Or email CIDYork@northyorkshire.pnn.police.uk
If you wish to remain anonymous, you can pass information to Crimestoppers on 0800 555 111.
Please quote reference number 12190147402 when passing on information.Last modified: August 15, 2019