WASHINGTON — Attorney General Jeff Sessions said Thursday that he will recuse himself from investigations related to the 2016 presidential campaign, which would include any Russian interference in the electoral process.

Speaking at a hastily called news conference at the Justice Department, Sessions said he was following the recommendation of department ethics officials after an evaluation of the rules and cases in which he might have a conflict.

“They said that since I had involvement with the campaign, I should not be involved in any campaign investigation,” Sessions said. He said he concurred with their assessment, and would thus recuse himself from any existing or future investigation involving President Trump’s 2016 campaign.

The announcement comes a day after The Washington Post revealed that Sessions twice met with Russian Ambassador Sergey Kislyak during the campaign and did not disclose that fact to Congress during his confirmation hearing in January.

It also represents a departure from Sessions’ previous statements, including one on Monday, when he declined to say whether he would recuse himself. “I would recuse myself on anything I should recuse myself on,” Sessions said then. “That’s all I can tell you.”

Democrats have been calling for him to do so for weeks; on Thursday, after the Post story’s publication, some high-level Republicans joined them. At his news conference, Sessions offered a new explanation: that discussions about his recusal had begun before the revelation of his meetings with Kislyak, that he and ethics officials had agreed Monday to meet for a final time Thursday, and that at that final meeting he had accepted their recommendation.

The revelations about Sessions’ meetings with Kislyak brought new scrutiny to the attorney general’s confirmation hearing in January, when he was asked by Sen. Al Franken, D-Minn., what he would do if he learned of any evidence that anyone affiliated with the Trump campaign had communicated with the Russian government in the course of the 2016 campaign. He replied: “I have been called a surrogate at a time or two in that campaign and I did not have communications with the Russians.”

On Thursday, Sessions defended those remarks as “honest and correct as I understood it at the time,” although he also said he would “write the Judiciary Committee soon – today or tomorrow – to explain this testimony for the record.” His explanation, he said, was that he was “taken aback” by Franken’s question, which referred to a breaking news story at the time about contacts between Trump surrogates and Russians.

“It struck me very hard, and that’s what I focused my answer on,” he said. “In retrospect, I should have slowed down and said I did meet one Russian official a couple times. That would be the ambassador.”

In a statement issued Wednesday night, Sessions said he “never met with any Russian officials to discuss issues of the campaign. I have no idea what this allegation is about. It is false.” A spokeswoman confirmed his meetings with Kislyak but said there was nothing misleading about what Sessions said to Congress.

The spokeswoman, Sarah Isgur Flores, said Sessions did not meet with Kislyak as a Trump supporter, but rather in his capacity as a member of the Armed Services Committee. One meeting was in September; the other in July, when Sessions was approached after an event on the sidelines of the Republican National Convention.

A Justice Department official said Wednesday of the September meeting: “There’s just not strong recollection of what was said.”

On Thursday, though, Sessions outlined fairly extensive details of the encounter, which also included two senior Sessions staffers. He said he talked with the ambassador about a trip he made to Russia in 1991, terrorism and Ukraine – a major policy issue after Russia’s annexation of Crimea and the imposition of U.S. and European Union sanctions on Russia for its actions.

At one point, Sessions said, “It got to be a little bit of a testy conversation.” He said the ambassador invited him to lunch, but he did not accept.

“Most of these ambassadors are pretty gossipy, and this was in the campaign season, but I don’t recall any specific political discussions,” Sessions said.

Earlier Thursday, Trump said that he had “total” confidence in Sessions. Speaking aboard the aircraft carrier USS Gerald Ford in Newport News, Virginia, Trump told reporters that he was not aware of Sessions’ contact with the Russian ambassador. Trump also said that Sessions “probably” testified truthfully during his confirmation hearing last month before the Senate Judiciary Committee.

Asked whether Sessions should recuse himself, Trump added: “I don’t think so.”

Several Republican lawmakers had already called on Sessions to recuse himself – and some of them applauded him after he did so. Sen. Ben. Sasse, R-Neb., called it the “right decision.”

Democrats, however, were less complimentary. Several of them had begun the day demanding Sessions’ resignation and accusing him of lying under oath during the confirmation hearing. After his announcement that he would recuse himself, House Minority Leader Nancy Pelosi, D-Calif., declared the decision “totally inadequate.” Senate Minority Leader Charles Schumer, D-N.Y., said: “Attorney General Sessions is right to recuse himself, but the fact is that he should have done so the moment he was sworn in.”

The episode marks the second time in Trump’s nascent administration when the truthfulness of one of its top officials has come under scrutiny. In February, Trump fired his national security adviser, Michael Flynn, after The Washington Post reported that he had not fully disclosed his contacts with Russian officials.

Sessions’ meetings with Kislyak occurred during the height of concerns about Russian interference in the U.S. election and at a time when Sessions was a member of the Senate Armed Services Committee, as well as a top Trump surrogate and adviser.

Fallout from Sessions’ statements came as FBI Director James Comey made a previously scheduled visit to Capitol Hill to meet with the House Intelligence Committee. But Comey was once again unwilling to confirm whether the FBI is exploring ties between Trump campaign officials and the Russian government, said Rep. Adam Schiff, D-Calif., the committee’s top Democrat.

“We can’t do a complete job unless the director is willing to discuss anything that they are investigating,” Schiff said. “At this point we know less than a fraction of what the FBI knows.”

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