An investigation is underway after a threat was made against the Clearfield County Walmart over the weekend. Local police were dispatched to the store on Saturday evening after a threat to the store was called in. The staff at Walmart, along with local authorities evacuated the store a little after 9 p.m. At that point, K9 units were brought in to sweep the store. No threats were found, and employees were able to return to work. The investigation continues.