A 26-year-old man is in a stable condition in hospital following a stabbing in the city centre on Friday (April 20) night.
The victim suffered serious but not life-threatening injuries during an incident on Friar Lane at around 11pm.
He remains in hospital.
Detectives are asking for anyone who witnessed the incident, or anyone who has any information, to call Nottinghamshire Police on 101 quoting incident number 1215 of April 20.
Alternatively, you can call Crimestoppers anonymously on 0800 555 111.