It happened around 9:30 p.m. Tuesday near Broadway and West 82nd Street.
The man was standing on the sidewalk when he was suddenly attacked.
The victim was taken to St. Luke’s Hospital where he is expected to survive.
The attacker is described as a man in his 30s last seen wearing a gray sweatshirt.
The investigation into the incident is ongoing.
Ex-Brit turned Manhattan resident since 2008.