WASHINGTON — Michael T. Flynn, then Donald J. Trump’s approaching national security counsel, had a formerly undisclosed meeting with the Russian envoy in December to “build up a line of correspondence” between the new organization and the Russian government, the White House said on Thursday.

Jared Kushner, Mr. Trump’s child in-law and now a senior counsel, additionally took part in the meeting at Trump Tower with Mr. Flynn and Sergey I. Kislyak, the Russian represetative. Be that as it may, among Mr. Trump’s inward circle, it is Mr. Flynn who seems to have been the principle questioner with the Russian emissary — the two were in contact amid the battle and the move, Mr. Kislyak and present and previous American authorities have said.


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Be that as it may, the degree and recurrence of their contacts stays vague, and the divulgence of the meeting at Trump Tower adds to the developing picture of how the relationship between Mr. Trump’s approaching group and Moscow was developing to incorporate a portion of the president-elect’s most confided in counsels.

The White House has over and again tried to play down any associations with Mr. Kislyak. Lawyer General Jeff Sessions recognized for the current week that he had met twice with him amid the crusade, in spite of past dissents.

The New Yorker revealed for this present week that Mr. Kushner had met with Mr. Kislyak at Trump Tower in December. Trust Hicks, a White House representative, affirmed on Thursday that Mr. Flynn was likewise at the meeting in light of inquiries from a New York Times journalist.

It is normal and not disgraceful for move authorities to meet with remote authorities. Be that as it may, all gatherings between Trump partners and Russians are presently critical as the F.B.I. researches Russian impedance in the American race and whether anybody near Mr. Trump’s battle was included.

The meeting in December came at a critical time, similarly as the Obama White House was planning to authorize Russia and openly put forth its defense that Moscow had meddled with the 2016 race.

What is currently turning out to be clear is that the approaching Trump organization was at the same time striking an appeasing posture toward Moscow in a progression of gatherings and telephone calls including Mr. Kislyak. Its point, Ms. Hicks said on Thursday, was to construct a relationship that could be the premise of future collaboration between the United States and Russia.

“They for the most part talked about the relationship and it seemed well and good to set up a line of correspondence,” she said. “Jared has had gatherings with numerous other remote nations and delegates — upwards of two dozen other outside nations’ pioneers and agents.”

The Trump Tower meeting endured 20 minutes, and Mr. Kushner has not met since with Mr. Kislyak, Ms. Hicks said.

At the point when initially got some information about Mr. Flynn’s contacts with Mr. Kislyak, the White House said that there had been just an instant message and telephone call between the men toward the finish of December, and that both preceded the United States forced authorizations. That was immediately negated by news reports.

Mr. Flynn’s story then started changing, and the White House inevitably recognized the two men had examined the approvals and how the two nations could move past the sharpness once Mr. Trump was in office.

American authorities have additionally said that there were different phone calls between Mr. Flynn and Mr. Kislyak on Dec. 29, starting not long after Mr. Kislyak was summoned to the State Department and educated that, in countering for Russian decision intruding, the United States was removing 35 individuals associated with being Russian knowledge agents and forcing different authorizations.

Mr. Kislyak was perturbed and debilitated an intense Russian reaction, as indicated by individuals acquainted with the trade. He then left the State Department and called Mr. Flynn, the first in a progression of calls between the two in the 36 hours that took after.

American insight organizations routinely wiretap the telephones of Russian ambassadors, and transcripts of the calls demonstrated that Mr. Flynn asked the Russians not to react, saying relations would enhance once Mr. Trump was in office, as indicated by the present and previous authorities.

Mr. Flynn’s inability to completely unveil the way of the calls with Mr. Kislyak eventually cost him his occupation a month ago following a tumultuous 25 days as national security guide.

The United States government has inferred that Russia expected, at any rate to a limited extent, to help choose Mr. Trump through a crusade of cyberattacks, publicity and falsehood. The legislature has inferred that Russian agents were behind the hacking of the Democratic National Committee and John D. Podesta, the administrator of Hillary Clinton’s presidential crusade.

Present and previous American authorities have said that Mr. Flynn had contacts with Mr. Kislyak amid the battle. Be that as it may, few of the specifics of those contacts were known. The Russian diplomat has recognized that the two men had known each other since 2013 and were in contact amid the battle.

“It’s something all representatives do,” Mr. Kislyak was cited as saying by The Washington Post, however he declined to state what subjects he examined with Mr. Flynn.