2024 election updates: Trump, Harris hit more battlegrounds

Harris drew contrasts between her economic agenda and that of her opponent, Trump, in a speech in the battleground state of Pennsylvania.

Harris told an audience at the Economic Club of Pittsburgh that her economic philosophy is "rooted in her middle-class upbringing" while Trump's comes from a "gilded path to wealth."

"For Donald Trump, our economy works best if it works for those who own the big skyscrapers. Not those who build them. Not those who wire them. Not those who mop the floors," she said.

Harris has made the economy and the cost of living a focal point of her campaign in recent weeks.

To allow the middle class to be the "growth engine of our economy," Harris said she would cut taxes for middle class families and individuals, promising that more than 100 million Americans would get a middle-class tax break.

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-ABC News' Fritz Farrow, Gabriella Abdul-Hakim, and Will McDuffie

Former President Donald Trump didn't mince words Wednesday at a rally in North Carolina following more reports from security officials that Iran has been plotting to assassinate him.

The Office of the Director of National Intelligence met with Trump and his campaign Tuesday, according to a spokesman for DNI. While the agency declined to discuss specifics about the meeting, the former president's campaign said the meeting involved "real and specific threats from Iran to assassinate him in an effort to destabilize and sow chaos in the United States."

During his rally in Mint Hill, North Carolina, Trump echoed that statement and sent a stark warning to the country.

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Trump cites Iran in ongoing threats to assassinate him

The former president spoke at a manufacturing plant in Mint Hill, North Carolina.

ABCNews.com

"If I were the president, I would inform the threatening country, in this case, Iran, that if you do anything to harm this person, we are going to blow your largest cities and the country itself to smithereens. We're going to blow it to smithereens," the former president said to cheers. "There would be no more threats."

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President Joe Biden opened up on the whirlwind of events over the last couple of months during an appearance on "The View" Wednesday.

Biden said he is "at peace" with his decision to exit the 2024 race but says he is still confident he would have defeated Donald Trump in November.

"Look, when I ran for this last term, I said I saw myself as a transition president … But what happened was we were having so much success in getting things done that people felt we couldn't get done, I found myself having used more time than I would've ordinarily to, you know, pass that torch."

Biden then turned to praising Harris, who he called "tough" and "honorable."

"And the thing I like about her, and one thing we share in common, is that we have an optimistic view of the future," he said.

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Trump's Butler, Pennsylvania, rally will take place at the same site where his first assassination attempt took place.

The wife and daughters of Corey Comperatore, the man who was killed during the assassination attempt, are expected to attend Trump's Butler rally along with the two supporters who were injured during the shooting: David Dutch and James Copenhaver, according to a senior campaign official.

"During his visit, President Trump will honor the memory of Corey Comperatore, who heroically sacrificed his life to shield his wife and daughters from the bullets on that terrible day. President Trump will also recognize the two other Americans who were wounded by the shooter, David Dutch and James Copenhaver," the campaign said in a press release.

Trump will also "express his deep gratitude to law enforcement and first responders, and thank the entire community for their outpouring of love and support in the wake of the attack," the campaign said.

-ABC News' Soorin Kim, Lalee Ibssa and Kelsey Walsh