A fight broke out in Carlisle city centre on Saturday, resulting in one man suffering minor injuries.
Police are investigating the incident, which happened at around 6.30pm near Topshop.
It was reported there was a fight between a group, in which a white male with blond hair who was wearing a vest was reported to have had a knife.
A man in his 20s suffered minor injuries, although these were not cause by the knife, police said.
Police are looking for witnesses to the incident with any information regarding this and requesting assistance in identifying a suspect.
Anyone with information or who witnessed the incident is encouraged to contact police on 101 quoting log number 177 of the 15th May.
Alternatively, call independent charity Crimestoppers anonymously on 0800 555 111.