US President Donald Trump and Democratic rival Joe Biden made a last-ditch push for votes in battleground states as their campaigns prepared for post-election disputes that could prolong a divisive presidential election.
Trump, who is trailing in national opinion polls, has continued to lob unfounded attacks at mail-in ballots, suggesting he would deploy lawyers if states are still counting votes after Election Day on Tuesday.
Trump told reporters on Monday evening that Pennsylvania's plans to count mail ballots that arrive up to three days after Election Day would lead to widespread cheating, although he did not explain how.
He urged the US Supreme