A MAN underwent surgery after he was stabbed in his stomach during a fight on a night out in Chesterfield.
The 26-year-old was injured in a disturbance which started on the dance floor of the Pacific Bar on Church Lane, and then continued outside.
Police said the injured man, from Mansfield Woodhouse, only discovered the stab wound as he was walking away.
A 34-year-old woman also suffered a minor injury in the disturbance.
A 37-year-old man, from Hasland, was arrested on suspicion of wounding and released on bail after questioning.
n Anyone who witnessed the incident just before midnight on Saturday should call Derbyshire Police on 101 or Crimestoppers on 0800 555111.