BOSTON — New details have emerged in the violent scene at TD Garden Saturday, where police say a New York fan shoved another man so hard he went tumbling down the balcony during a Bruins–Rangers rivalry game that erupted into chaos both on and off the ice.

According to Boston Police, the suspect has been identified as Aaron Tucker, 48, of Vermont. Officers assigned to the game were called just after 3 p.m. after TD Garden security reported an unconscious male who had fallen from an upper level into Loge Section 2 following an altercation.

Multiple witnesses told police the victim was standing on the stairs when Tucker allegedly grabbed him by the neck and shoved him backward, sending him tumbling three to five steps. Responders found the victim semi-conscious, breathing, and bleeding from the back of the head.

Emergency crews stabilized the man and rushed him to Massachusetts General Hospital. While en route, the victim reportedly told officers he had been drinking, had no memory of the incident, and did not know why he was being taken to the hospital.

Witness statements described a volatile, alcohol-fueled confrontation in the stands. Several fans told police the victim appeared intoxicated and had been heckling Tucker and a woman seated with him. One witness said the victim put his middle finger directly in the woman’s face, escalating the exchange. Others said friends tried to pull the victim away before the situation exploded.

How police caught him: Police say officers and TD Garden security immediately began canvassing witnesses and reviewing arena surveillance footage after the fall. Multiple fans provided consistent descriptions of Tucker, including his New York Rangers hat and jersey. Security cameras inside the Garden then captured Tucker leaving the arena shortly after the incident. Officers followed his movements through exterior cameras and relayed his description to police units stationed nearby.

A short time later, Boston Police located Tucker near Causeway Street and Lafayette Avenue, just outside the arena area. He was stopped, identified, and taken into custody without incident, police said.

Tucker now faces serious assault charges, including assault and battery resulting in serious bodily injury.

The stunning off-ice violence unfolded during what was already a nightmare afternoon for visiting New York fans. The Boston Bruins demolished the Rangers 10-2, a historic blowout marking the first time Boston scored 10 goals in a game since 1988. As goals piled up, Rangers supporters streamed toward the exits — some leaving early, others staying long enough for tempers to boil over.

What began as a classic Bruins–Rangers rivalry game ended with brawls on the ice, chaos in the stands, and a man sent tumbling from the balcony in one of Boston’s most packed venues.

The investigation remains ongoing.