Officers were at the Muskogee County Courthouse Monday morning after an anonymous caller phoned in a potential bomb threat.
It happened just after 10 a.m. when the District Attorney's office received word that a male individual was headed to the courthouse in downtown Muskogee.
Captain Brandon Caster with Muskogee County Sheriff's Department told KTUL.com that a female individual made the call and said the male had C-4 with him.
He also said that everyone at the courthouse was evacuated and OHP troopers and bomb squad were at the scene investigating.
Officials haven't released any further information.
Stay with KTUL.com as we receive updates.