A 15-year-old male was stabbed in the hand and a 16-year-old male was stabbed in the abdomen during the altercation, which unfolded just before 7 a.m. on the NQR train line, police said.

The victims knew the suspect before the incident, police sources told The Post.

The two teens were taken to Bellevue Hospital and are in stable condition, police said.

No arrests have been made but police described the suspect as a male with a dark complexion and black hair. The suspect was wearing all black at the time of the attack, police said.

The police investigation is ongoing.