Police charged a woman and three Bergen County minors with harassment for holding a developmentally disabled child down, pulling his pants down and filming it to be shared on social media, authorities said.

The Fair Lawn Board of Education told police on Wednesday it received a video showing a 14-year-old boy with an intellectual disability from Fair Lawn who had his pants and underwear down as he was filmed on a cell phone at Berdan Grove Park, Sgt. Brian Metzler said in a statement.

The investigation found that four people, including a 19-year-old woman, were involved and that the video was posted on the Snapchat and TikTok apps, the statement said.

Police charged Alis Fidrya, 19, a 16-year-old girl, a 13-year-old boy and a 10-year-old boy with multiple crimes, including invasion of privacy, cyber-harassment and harassment, according to the communicated. The four defendants are from Fair Lawn and the 16, 13 and 10-year-olds will be charged as minors, the statement said.

The video shows the 13-year-old boy holding the 14-year-old victim while the 10-year-old boy pulls down the victim’s pants and underwear, police say. Fidrya and the 16-year-old filmed it before posting it on social media, the statement said. The park was packed with people at the time, according to the daily voice.

As the video circulated, school and district officials and the public were united in outrage.

In a letter to the school communitySuperintendent Nicholas Norcia said the district had received “dozens of emails and phone calls alerting us to a disturbing video on TikTok involving students from the Fair Lawn School District.” Norcia said the video was immediately reported to police and assured parents the district would respond. It was not clear what disciplinary action, if any, would be taken at the district level.

“This type of behavior is absolutely unacceptable and I implore you to tell your children about the dangers of such actions and of social media,” he said.

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Rodrigo Torrejon can be contacted at [email protected].