A 32-year-old man was taken to a hospital with a punctured lung after being stabbed in downtown Napa on Friday night, according to Napa Police.
The brawl, which involved several males, took place near Main and Second streets at about 11 p.m., but none of the involved parties were around when police arrived. About 15 minutes later, police said, a man with a stab wound was found stumbling down the street.
The man was taken to Queen of the Valley Medical Center and treated for his injuries, police said.
A suspect has not been identified, but the crime is being considered an assault with a deadly weapon, police said. The investigation is ongoing.