Hawaii Island police are at the Keaau High School campus on Thursday after a parent notified school officials that an anonymous threat had been made via social media, according to a news release.

At 7:28 p.m. Wednesday, a Keaau High School official called Puna police officers after a concerned parent had informed them of a threatening social media message from an unknown person.

Police have also opened a first-degree terroristic threatening investigation. 

The threat made to Keaau High School comes after an anonymous threat was made via social media to Keaau Middle School. School officials informed police of the threat Monday evening and increased their presence at Keaau Middle School on Tuesday.

The suspects in both cases have not been identified and the origins of the messages have not been determined, but detectives with the Area I Juvenile Aid Section are investigating both cases.

The Hawaii Police Department reminds the public that law enforcement takes threats toward any school seriously.

They ask anyone who may have information regarding this incident to call Detective Patrick Aurello at 808-961-8810 or the police non-emergency line at 808-935-3311.

Those who wish to remain anonymous can call Crime Stoppers at 808-961-8300 and may be eligible for a reward up to $1,000. Calls are not recorded, and all information is kept confidential.