A diner suffered a gash to the head after a bust-up in a Ripley restaurant.
The assault took place on Saturday, September 29 at 11.10pm at Sylhet Spice on Nottingham Road.
A group of friends were having a meal when two men approached them and punched one member of the group in the head.
The men then left the restaurant.
The victim, a 38-year-old man, was taken to Derby Royal Hospital.
Police are appealing for witnesses.