An already heated presidential race faced further strain from a string of reported bomb threats in battleground states—causing some delays on Election Day.

Voting in multiple battleground states was disrupted on Tuesday as numerous polling places received death threats, many of which the FBI said it determined had ties to Russia, prolonging polling place hours and raising the specter of election interference.

Georgia’s secretary of state alleged Tuesday that Russia was behind dozens of hoax bomb threats that were called into voting precincts in the greater Atlanta area on Election Day.While the threats were determined to be a farce,