Several streets in Nottingham’s Lace Market were cordoned off after a brawl broke out involving a group of men, leaving one with a knife wound.
The 19-year-old man has been taken to hospital following the incident, which happened just after 4.30pm on Thursday.
Parts of Old Lenton Street, George Street and Lower Parliament Street were cordoned off.
A Notts Police spokesman said: “Officers were called to reports of a group of people fighting in Old Lenton Street at around 4.35pm today (Thursday 7 December) but they dispersed when officers arrived.
“The injured man was later found with what appeared to be a knife injury to his hand in Lower Parliament Street, at the junction with George Street. His injuries are not believed to be life threatening.
“A male has been arrested in connection with the incident and enquiries are ongoing.
“Anyone who witnessed the incident or has any information that may be helpful to the investigation is urged to call Nottinghamshire Police on 101, or Crimestoppers anonymously on 0800 555 111, quoting incident number 568 of 7 December 2017.”