Republican presidential nominee Donald Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE is slated to begin airing the first ads of his general election campaign on Friday, according to a top adviser.

The Wall Street Journal reports that the ad buy was brought up in a conference call with Trump campaign chief Paul Manafort and two other staffers on Tuesday afternoon.

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The Trump aides reportedly informed about 50 members of Congress that Trump would air ads starting Friday in Florida, Ohio, North Carolina and Pennsylvania.

Those are key battleground states where polls have recently shown Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE ahead. She leads Trump nationally by an average of about 7 points, according to RealClearPolitics.

Lawmakers were told that Trump's campaign would begin buying ads more widely next month, according to the Journal.

Advisers told the newspaper the buy would focus on messages seen in Trump's recent policy speeches. He delivered one on national security Monday, a week after one on the economy.

Trump's campaign reported raising $80 million in July for his presidential bid and the party, but has so far not spent any money on advertising in the general election.

The businessman has boasted of his ability to get media attention without spending money, though it has left Clinton's huge ad buys running nearly unopposed months from the election.

Clinton has spent about $61 million on general election ads in the past two months, while pro-Clinton groups have spent another $43 million, according to NBC News. Pro-Trump groups have spent $12.4 million.