A man allegedly exposed himself in two areas of Lincoln this week.
Lincolnshire Police are investigating a report of a man exposing himself on Corporation Street and Steep Hill in Lincoln between 1am and 1.30am on Wednesday, September 23.
Police published an image of a man they believe will have information that will help with inquiries.
The force did not specify whether the man is a suspect or a witness.
Anyone with information should contact Lincolnshire Police on 101 or via email at [email protected] quoting reference 20*500404.
Alternatively, it can be reported through the independent charity Crimestoppers anonymously on 0800 555 111 or online here.