DONALD Trump has tweeted a video of a "MAGA" train speeding past a handcar driven by his presidential rival Joe Biden.
The clip comes as campaigning ramps up and the two prepare to face off ahead of November's .
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's video shows a freight train with the phrase KAG 2020 written along its side moving through a small American town.
KAG stands for Keep America Great, Trump's slogan for this year's campaign and a play on his 2016 slogan, Make America Great Again.
The words "Trump Pence" also appear on the side of the train's cab.
After the train has passed, a figure resembling appears on a hand-driven rail cart, moving slowly through the town as Eddy Grant's "Electric Avenue" plays in the background.
The words "Biden Train" then appear before the letters fall one-by-one off the screen and out of sight.
The ongoing pandemic has meant many campaign events have had to be canceled, but online and in the media.
Trump has repeatedly referred to Biden as "Sleepy Joe", a reference to the way the former vice president sometimes slurs his words in speeches and interviews.
Biden's supporters say the trait is caused by a stammer that has affected him since childhood, and also point to the president's own inarticulacy.
A recent video by the Biden campaign showed Trump claiming during an interview that the coronavirus was "under control" in the US.
Challenged on the claim and told that 1,000 Americans continue to die every day, Trump replies: "It is what it is."
Audio of the comment then repeats on loop as footage is shown of quarantined patients and medical staff loading people into ambulances.
Polls currently show Biden with a clear lead both nationally and in a number of key states, though Trump supporters point out that the same was true throughout the build-up to the 2016 election.
The poll of polls collated by currently has Biden with national support of 49.3 percent to Trump's 41.8 percent - a lead of 7.5 percent.
Trump's latest campaign clip follows Biden's announcement that , a US senator and former attorney general of California, would be his running mate in November.
Harris is the to be chosen as a vice presidential nominee.
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In a tweet following the announcement, Trump highlighted attacks made by Harris on Biden when the two were vying to be the Democratic party's nominee for president.
"There was nobody meaner or more condescending to Slow Joe, not even me," he wrote.