US Elections: FBI investigating robocalls urging voters to 'stay home'

Voters cast their ballots under a giant mural at Robious Elementary school on Election Day, in Midlothian, Virginia. Picture: AP Photo/Steve Helber)

The FBI and the New York attorney general were looking into a spate of mysterious robocalls urging people to stay home on Election Day as the nation remains on high alert to ensure voting is not compromised.

U.S. state and local officials have been raising the alarm over at least two separate automated call campaigns as millions of Americans cast their votes on Tuesday to decide between President Donald Trump and challenger Joe Biden.