Investigation underway after part of Aisin plant in Williamson C - KFVS12 News & Weather Cape Girardeau, Carbondale, Poplar Bluff

Investigation underway after part of Aisin plant in Williamson Co. evacuated overnight

(Source: Loretto Cruz/KFVS) (Source: Loretto Cruz/KFVS)
(Source: Loretto Cruz/KFVS) (Source: Loretto Cruz/KFVS)
(Source: Loretto Cruz/KFVS) (Source: Loretto Cruz/KFVS)
WILLIAMSON COUNTY, IL (KFVS) -

 The all clear has been given at the Aisin Electronics plant in Williamson County.

Deputies responded to the scene around midnight after Aisin activated their emergency plan.

Investigators said an employee found a threatening note in the building.

The sheriff's department evacuated the building and called on the Illinois Secretary of State Bomb Squad to clear the building.

Officers did not find anything inside the building.

Employees say one building in the three building facility was evacuated and shut down overnight.

No one has been arrested in connection to the threat.

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