An 18-year-old man was taken to the hospital via helicopter after he was stabbed with a broken golf club during a fight in Breakheart Reservation, state police said.

Police received a call around 5 p.m. Tuesday for a reported stabbing during a fight on the Wakefield side of the state park.

The victim is undergoing treatment for reportedly life-threatening injuries at Beth Israel Deaconess Medical Center.

Residents can rest assured that this is not a random attack, a statement from the department said. Police told WBZ that the attacker was known to the victim, and that the stabbing occurred during a fight between three people.

One man is reportedly in custody. 

Details about the fight and other circumstances of the attack were not immediately available.