US President Donald Trump and Democratic challenger Joe Biden will return to the campaign trail today with visits to three battleground states.
Last night, the two contenders clashed from afar during duelling televised town halls.
The events replaced a presidential debate that was cancelled in the wake of Mr Trump's coronavirus diagnosis.
They highlighted the sharp contrast between the two candidates' approach to the campaign less than three weeks before the 3 November election.
A combative Mr Trump, sparring with moderator Samantha Guthrie on NBC, refused to condemn the bizarre conspiracy theory QAnon, claimed the 2020 election is rife with fraud and questioned whether masks can help combat the spread of Covid-19.
US Presidential candidate Joe Biden says Donald Trump neglected his responsibility to lead during the pandemic | Read more: https://t.co/KodVocGdP2 pic.twitter.com/l7nIRS8emq
— RTÉ News (@rtenews) October 16, 2020
Mr Biden delivered policy-heavy answers and focused his attacks on Mr Trump's handling of the pandemic, which has killed 216,000 Americans and hammered the economy.
Polls suggest that Mr Biden has led the contest for months and it was not clear whether Mr Trump's aggressive posture would succeed in altering what has been a stable race despite a whirlwind of news.
More than 18 million Americans have already cast ballots, far more than at a similar juncture in 2016, according to a tracker at the US Elections Project at the University of Florida.
Louisiana will begin early voting today, following record turnout in competitive states Georgia, Texas and North Carolina this week.
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Mr Trump will travel to Florida and Georgia, two states that are seen as crucial to his chances of victory, while Mr Biden will visit two cities in Michigan, another battleground state.
The second presidential debate had been scheduled for yesterday, but Mr Trump pulled out of the event after organisers said it would be virtual to lessen the risk of infection.
Mr Trump, who received treatment for several days at a military hospital after he contracted the virus two weeks ago, has since returned to headlining massive campaign rallies.
During his town hall on NBC in front of voters in Miami, Mr Trump declined to say when he last tested negative for the virus before announcing his diagnosis, a question that White House physicians have also refused to answer.
US President Donald Trump questions whether masks can help combat the spread of Covid-19 | Read more: https://t.co/KodVocGdP2 pic.twitter.com/3CP3z4Il0S
— RTÉ News (@rtenews) October 16, 2020
While he denounced white supremacists two weeks after failing to do so forcefully at the first presidential debate, he would not do the same about QAnon, a fringe movement whose adherents believe Democrats are part of a global pedophilia ring.
"I do know they are against pedophilia, they fight it very hard," Mr Trump said, before claiming he knew nothing about the conspiracy theory when pressed by Ms Guthrie.
He also questioned whether masks are effective at stopping the spread of the coronavirus, contradicting the consensus among public health experts, including those in his own administration.
In Philadelphia, Mr Biden outlined to voters his plans to combat the pandemic and revive the economy by prioritising testing, funding local and state governments and hiking taxes dramatically on corporations and the wealthy.
He again deferred when asked whether he supports adding justices to the Supreme Court, an idea known as "court-packing" that some Democrats favour as a response to Republicans' hardball tactics.
"It depends on how this turns out," he said of the ongoing confirmation hearings for Mr Trump's latest nominee, Amy Coney Barrett.
But the coronavirus dominated the proceedings, just as it has loomed over the last seven months of the campaign.
Mr Trump, who has downplayed the crisis, again said yesterday that the country has "rounded the corner", despite surges in cases in many states.
He also defended his own personal approach to the virus, including hosting a Rose Garden event last month after which multiple attendees, including himself, tested positive.
Mr Biden's campaign said yesterday that three people who recently travelled with him or his running mate, Senator Kamala Harris, had tested positive.
Neither candidate had close contact with the infected individuals, the campaign said, but Ms Harris cancelled her in-person events through Sunday as a precaution.
The third presidential debate is scheduled for 22 October.
