There was a bomb scare at the Polk County jail Monday. The Polk County Sheriff’s Department says the bomb squad was called to the jail just after 3 p.m. over a suspicious briefcase.

The department says a person who was arrested and brought to the jail had the briefcase with them. Jail officials became concerned after putting the briefcase through an x-ray machine. Employees and visitors were evacuated from the jail while the bomb squad examined the brief ase and determined it was not a bomb.

Officials are not saying what caused them to become suspicious, and have not identified the person who brought the briefcase to the jail.