A man has had surgery and is recovering in Nelson Hospital after he was stabbed during a fight in the city.
Nelson police Detective Sergeant Lex Bruning said two groups of people became involved in at the corner of St Vincent and Natalie Streets about 12.15am today.
During the fight a 36-year-old man was stabbed once in the stomach area with a knife.
He was taken to hospital and underwent surgery and is now recovering in the ward with no life threatening injuries, he said.
"The victim is extremely lucky and this type of assault can easily lead to serious injury or even be fatal."