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The classified information Donald Trump told Russian officials in an Oval Office meeting reportedly came from Israeli sources.

Two American officials confirmed this news, the New York Times reported Tuesday. The Wall Street Journal and CNN also confirmed the report.

White House spokesman Sean Spicer said he would not comment on the reports. He also declined to say whether the White House would share transcripts of Trump’s meeting with Lavrov with lawmakers who have asked for them.

WATCH: White House will not say if Israel was source of classified information

0:59 White House will not say if Israel was source of classified information White House will not say if Israel was source of classified information

Monday night, the Washington Post reported that President Donald Trump shared sensitive information with Russian Foreign Minister Sergei Lavrov during a White House meeting last week.

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The information, which concerned a plot regarding aviation security and the Islamic State, was cited as being from a “partner.”

READ MORE: Donald Trump tweets about classified information come back to haunt him

But the New York Times reports at least some of the details came from Israeli intelligence.

Officials from the country wouldn’t confirm that they were the source, only saying that the U.S. continues to have a close counterterrorism relationship.

“Israel has full confidence in our intelligence-sharing relationship with the United States and looks forward to deepening that relationship in the years ahead under President Trump,” Ron Dermer, the Israeli ambassador to the United States, said in an emailed statement to the Times.

READ MORE: Donald Trump’s sharing of information with Russians ‘wholly appropriate,’ security adviser says

In January, before Trump became president, U.S. officials warned Israel about sharing sensitive information with the Trump, according to Israeli newspapers.

At the time, discussions “raised fears of a leakage of Israeli intelligence top-classified information, clandestine modus oprandi and sources … to Russia,” Israeli newspaper Yedioth reported.

Officials said they were concerned about Russia then passing on the info to its ally Iran.

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Trump has defended the sharing of information, saying he had the “absolute right” to do so.

But others in the intelligence community say the leak has shaken their faith in the U.S.

“Conceivably he’s compromised some pretty serious national intelligence sources,” Greg Anderson, associate professor of political science at the University of Alberta, told Global News. “In a worst-case scenario, it could contribute to getting somebody killed.”

READ MORE: Trump’s disclosure of classified information could risk lives: expert

A senior European intelligence official told the Associated Press his country might stop sharing information with the United States if it confirms that Trump shared classified details with Russian officials. Such sharing “could be a risk for our sources,” the official said. The official spoke only on condition that neither he nor his country be identified, because he was not authorized to discuss the matter publicly.

Donald Trump will be visiting Israel in his first foreign trip later this month.

— With files from Tania Kohut and the Associated Press