Georgia Secretary of State Brad Raffensperger confirmed Tuesday a bomb threat was made against a polling place, but he said it was of Russian origin and not credible. Raffensperger later clarified in a subsequent press conference that the threat affected between five and seven precincts in multiple Georgia counties.

Easterly added that the attribution by state officials to Russia was not yet definitive. While the FBI did not name the states targeted, local officials reported more than a dozen threats in Georgia alone, temporarily shutting down polling stations in ...