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.

Somewhere around 500 teenagers went to Jones Beach in Wantagh, New York, after a flyer promoting “Senior Cut Day” spread on social media, drawing people to the beach. According to News 12, police had to break up 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,” said one person who saw the mass gathering of teenagers. “We came here as kids—it was so calm. But now it’s just crazy.”

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.