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MASCOUTAH, Ill. (KSDK) – Threats to kill Mascoutah High School students stemmed from a teenager found on Scott Air Force base, according to Mascoutah Police Chief Bruce Fleshren.

Mascoutah High School Principal Sandy Jouglard reported that she had received a number of phone calls regarding threats against students posted on Facebook, according to Fleshren.

A police investigation found a 15-year-old boy conversing with his 15-year-old New Baden, Ill. girlfriend through text messages had made references to killing everyone he knows and at school the next day.

St. Clair County Sheriff deputies contacted the boy and his parents and found no threat would be carried out, according to Fleshren.

Parents were notified about the situation via robo-calls and students were advised to attend classes as normal.

Mascoutah police increased security Tuesday morning and found no incidents.

No reference to how the threats would be carried out or weapons were found with the teen, Fleshren said.