A confrontation on a New York City subway platform ended in tragedy, resulting in one man’s death and the arrest of a 21-year-old suspect.

Authorities report that the incident occurred Saturday evening at the 34th Street–Penn Station on the downtown C/E platform. Investigators say the conflict began when a 55-year-old man accidentally bumped into Nassadir Tate, of New Jersey, sparking a verbal argument that quickly escalated into violence.

Police allege that Tate struck the man in the face before fleeing the station. Emergency responders found the victim unconscious shortly before 7 p.m. and rushed him to Lenox Hill Hospital, where he was later pronounced dead. Officials note that the exact cause of death is still under investigation, with medical examinations needed to determine whether the punch directly led to the fatal outcome.

Tate was taken into custody approximately 18 hours after the incident. Authorities continue to review the case as they gather additional details surrounding the events that led to the fatal altercation.READ MORE BELOW