President Trump on Saturday touted a report from Fox News that a senior U.S. intelligence official allegedly unmasked or exposed the names of Trump associates.

"Wow, @FoxNews just reporting big news. Source: 'Official behind unmasking is high up. Known Intel official is responsible. Some unmasked not associated with Russia. Trump team spied on before he was nominated,'" Trump wrote in tweets.

"If this is true, does not get much bigger. Would be sad for U.S.," he added.

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Fox reported Friday, citing a single unnamed source, that the U.S. official was "very well known, very high up, very senior in the intelligence world."

The report said the individual behind the alleged unmasking or naming of private citizens in intelligence reports was not in the FBI.

An unnamed congressional source told Fox that "the main issue in this case, is not only the unmasking of these names of private citizens, but the spreading of these names for political purposes that have nothing to do with national security or an investigation into Russia’s interference in the U.S. election."

Trump has pushed for evidence of surveillance of members of his team on the part of the Obama administration after FBI Director James Comey and others said there was no evidence to support his claim early last month that former President Barack Obama Barack Hussein ObamaBiden to hold call with Senate Democrats on Thursday: report Romney undecided on authorizing subpoenas for GOP Obama-era probes Billboards in four states and DC demand ICE 'free the families' MORE ordered a wiretap of Trump Tower.

House Intelligence Committee Chairman Devin Nunes (R-Calif.) said last month that he had learned that the U.S. intelligence community had incidentally collected information on members of Trump's transition team. The New York Times reported that two White House officials had helped him get the information that he later used to brief Trump.

Rep. Adam Schiff Adam Bennett SchiffDemocrats, advocates seethe over Florida voting rights ruling DHS asks Schiff to reconsider expanded probe after whistleblower complaint, declines additional interview requests Senate panel seeks documents in probe of DHS whistleblower complaint MORE (Calif.), the top Democrat on the committee, said Friday that he was shown what was presented as the same information shown to Nunes last week. Schiff said the information didn't justify a "departure from normal review procedures" and called for the information to be shared with both House and Senate committees investigating Russia's involvement in the November election.

Trump has made a habit of sharing news he views as favorable, even from outlets that he criticizes, such as The New York Times. The president shared an article from the "failing" newspaper on Saturday that detailed ObamaCare's struggles.