In a statement, the Paradise Valley school district said its officials "take all incidents and any reported allegations seriously and work with law enforcement on all police matters."
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"Teens should be reminded that making alleged threats, even when they intend it as a joke, can have severe consequences and is considered a felony," read the statement obtained by KPNX. "Parents should never hesitate to call or email the school, as well as the police if they hear or see any concerning information."
The district also stressed that "there were no threats made directly to the school and at no time were students in danger," the news station reported.
The incident came just days after hundreds of people died in attacks on Catholic churches, hotels and other sites in Sri Lanka. Last month, 50 people also were killed in terrorist attacks on mosques in Christchurch, New Zealand.
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