A 16-year-old boy was arrested early Wednesday in connection with a threat posted on social media targeting Liberty High School in Peoria, police said.

Police did not provide details about the threat, only that they were “concerning due to the photo posted and statement made even though the student maintains it was a joke,” the Peoria Police Department said in a Facebook post Wednesday morning.

“These matters are extremely serious in nature, cause fear and disruption of an educational institution, and are not tolerated by the Peoria Unified School District or the Peoria Police Department,” the post said.

A student who saw the alleged threat online Tuesday night reported it to parents, who in turn notified police.

Officers arrested the 16-year-old boy, a sophomore at Liberty High School, shortly after midnight, police said.

The teen, whose name was not released, was booked into Durango Juvenile Detention Center in Phoenix on suspicion of committing a hoax and interfering with an educational institution by making a threat to injure others.

In the Facebook post, the Peoria Police Department encouraged parents to “have a discussion with their students regarding the severity of posting and sharing this type of information.”

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