UPDATE: The lockdown at Pawhuska Public Schools has been lifted. Police have apprehended the subject. The school district reports all students and staff are safe.

Superintendent Chris Tanner says a possibly intoxicated man in a Halloween mask prompted the lockdown.  

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 All campuses at Pawhuska Public Schools are under a lockdown.

The lockdown occurred around 11 a.m. Friday. According to school officials, a report of a suspicious person outside the building prompted the lockdown.

Officials are telling parents to remain calm and not to come to the school buildings at this time.