Police descended on Moorgate last night following reports of a stabbing.
Officers raced to South Place at around 11.20pm following reports that a person had been stabbed.
Dramatic pictures from the scene show a heavy police presence, with at least three police cars and two City of London Police vans flooding the area.
A cordon was put in place outside the Third Space gym, where the incident appeared to have taken place, as emergency crews worked at the scene.
Police officers were seen speaking to a group of women nearby while emergency responders tended to the victim.
A man was taken to hospital but has since been discharged, police said.
The circumstances surrounding the incident remain unclear.
Anyone with information is being urged to contact police.
Detective Inspector Ben Hurley, City of London Police, said: “City of London Police officers were called at around 11:20pm to reports of a stabbing in South Place. One man was taken to hospital but has since been discharged.
“Enquiries are ongoing.
“Anyone with information should contact City of London Police on 101 quoting 26485153.Alternatively, you can contact Crimestoppers anonymously by calling 0800 555 111.”
