A thief stabbed a 42-year-old man on Fifth Avenue and 56th Street at around 3:45 a.m. on Sept. 11.
Cops said the victim was walking with his girlfriend when the crook stole a chain from his neck. When the victim tried to get it back, the attacker stabbed him in the stomach with a sharp object.
The victim was in stable condition at NYU Langone Hospital-Brooklyn.
No arrests have been made.