Jan. 5, 2018 By Tara Law

A 59-year-old man was punched in the face and had his forehead slashed on a Manhattan-bound N train last night, police said.

The victim got into an argument with the perpetrator as he was boarding the train at the Ditmars Boulevard station at around 10:50 p.m., police said. The victim claimed that the suspect blocked him while he was walking onto the train.

The men then started to argue and “physical altercation” began as the train began to move, according to police. The assailant allegedly punched the victim in the head and face. He then took out an unknown object and slashed the victim across the forehead.

The two men exited the train at the Astoria Boulevard station and the assailant fled, police said.

The victim was taken to Mount Sinai Hospital where he is in stable condition.

The police didn’t have a description of the suspect.

Police are investigating the incident.