A group of around 500 teenagers was dispersed by police after gathering at a beach in New York for “Senior Cut Day” that descended into chaos.

Around 500 teenagers gathered at Jones Beach in Wantagh, New York, after a flyer about “Senior Cut Day” circulated on social media, prompting an influx of people at the beach. As reported by News 12, the police were called to disperse the crowd.

Witnesses told the outlet that the beach quickly spiraled out of control once the massive number of teenagers arrived.

Police attempted to disburse the crowd. (@antwon2fine/TikTok)

“The beach was never like this,” remarked one observer of the large teen congregation. “We used to come here as kids—it was always so peaceful. Now, it’s just chaotic.”

The Nassau County Police Department made one arrest (@antwon2fine/TikTok)

The Nassau County Police Department said one individual was arrested for disorderly conduct and menacing.