Riverhead Town Police have arrested four men who they said burst into the Splish Splash water park and rode BMX bikes on the slides over Thanksgiving weekend, an incident that was caught on camera and widely viewed on the internet.

Jonathan Nemecek, 25, of 34th Street in Lindenhurst; William Perry, 22, of Beatrice Lane in West Islip; Anthony Panza, 19, of 50th Street in Lindenhurst; and Brian Chliek, 34, of Terrace Road in Bayport, were charged with third-degree criminal trespass, according to a news release from Riverhead Town Police.

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The four men turned themselves in Monday and Tuesday, police said. They were all issued desk appearance tickets and were scheduled to appear in Riverhead Town Justice Court on Jan. 4. Their attorneys could not be reached for comment.

The bikers drew officers’ attention through the 15-minute video someone posted of young men entering the closed water park after clearing a chain-link fence topped with barbed-wire and then riding their bikes on the slides. The footage appears to have been captured by a GoPro-type camera.

Police said they expect more arrests.

There were at least six bikers in the viral video posted on YouTube and titled “GoPro BMX RIDING INSANE WATERPARK!” It had generated over 6.4 million views and 5,700 comments by Tuesday night.