As millions of voters cast their ballots for the White House and members of Congress on Tuesday, officials across the country are rapidly grappling with bomb threats and disinformation campaigns that officials said were aimed at undermining trust in the election.

And the FBI warned that faked video clips were circulating on the internet telling Americans to “vote remotely” because of a terrorist threat.

ToplineVoting 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.