President Biden took a jab at his presumptive Republican rival for the presidency while campaigning in Pennsylvania.
Biden made the remark while speaking at the United Steelworkers headquarters in Pittsburgh, Pennsylvania, on Wednesday.
"Under my predecessor, who’s a little busy right now, Pennsylvania lost 275,000 jobs," Biden said while boasting of his economic policies' benefit to blue collar workers.
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United Steelworkers endorsed the Biden-Harris ticket last month, applauding the president's investments in "worker-centered trade policy."
"President Biden proved time and again during his first term that he stands with working families," USW International President David McCall said in the March announcement.
He added, "His vision and leadership allowed our nation to strengthen workers’ access to collective bargaining, grow the middle class, and embark on a path to widespread prosperity."
While Biden is on the road campaigning, Trump is currently stuck in New York City for his criminal trial surrounding alleged hush money payments to Stormy Daniels during his successful 2016 presidential campaign.
Trump has been charged with 34 counts of falsifying business records in the first degree. It is the first ever criminal trial of a former president.
Trump has been ordered to attend the daily court proceedings of the trial. Judge Juan Merchan told Trump that if he fails to be present, a warrant will be issued for his arrest.
"It’s a scam. It’s a political witch hunt," Trump said after court adjourned Monday. Trump pleaded not guilty to all counts last year.
Fox News Digital's Lawrence Richard contributed to this report.