Employees were evacuated Tuesday afternoon, after a bomb threat at an Onalaska business.
A call that a bomb was in the building came to IC System on Sand Lake Road.
Onalaska Police, the Wisconsin State Patrol and bomb detection K9 units with the La Crosse Police Department cleared the Center 90 complex.
No suspicious or explosive devices were found.
Employees were kept out for three hours. The incident is still under investigation.