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

The U.S. saw a rash of discredited bomb threats called in at polling places in multiple states on Election Day, in some cases spurring the need for extended voting hours. Faulty bomb threats were called into at least five states,

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