Spicer has taken to offering only short responses to questions or dodging entirely, as he has done repeatedly under pressure from the press corps to elaborate on whether Trump has "tapes" of private conversations with Comey, as the president has insinuated.
Yet US allies and some members of Congress have expressed alarm.
The New York Times, CNN and The Washington Post reported that Trump shared intelligence about the Islamic State and said a Middle Eastern ally - said by current and former USA officials to be Israel - provided the information, with the understanding that it would not be shared with other countries without permission.
Such sentiments echo Russian Foreign Ministry spokesperson Maria Zakharova, who took again to social media on Tuesday to chastise US journalism.
Putin sent a defiant statement to those casting suspicion over Trump's attitude to Russia Wednesday, accusing them of being detrimental to the USA itself.
"I actually believe the director might have told us that there'd been a request like that, and it was never mentioned by him", Burr said.
He added that he initially laughed at reports that Russian Federation allegedly interfered in last year's us election, but now he's concerned.
President Donald Trump speaks in the Roosevelt Room of the White House in Washington, Tuesday, May 16, 2017, where he and Turkish President Recep Tayyip Erdogan made statements.
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More impressive is that Disney releases are the only films to open above $100 million in North America so far in 2017. Since premiering overseas more than a week ago, the movie has pulled in about $428 million, CNN reported.
"We need the facts", Ryan said at a news conference Wednesday morning.
Mitch McConnell, the Republican leader of the Senate, said: "It would be helpful to have less drama emanating from the White House". The official spoke only on condition that neither he nor his country be identified, because he was not authorized to discuss the matter publicly.
Monday night, even before news of the Comey memo broke, a Trump staffer told Daily Beast reporters, "Every time I feel like we're getting a handle on the last Russian Federation fiasco, a new one pops". Flynn was forced to resign in February after serving just 24 days after he lied to Vice President Mike Pence about his contact with Sergey Kislyak, Russia's ambassador to the U.S.
Trump has come under fire for reportedly leaking Israeli intelligence to Russian Federation during the visit.
Only 35% of voters said they found Trump's abrupt termination of Comey "appropriate", while 42% said they felt it was "inappropriate".
The White House is choosing to scale back its on-air presence, and press secretary Sean Spicer, whose job has been the subject of endless speculation, has noticeably altered his style. And lawmakers have alleged that the sudden ouster was an attempt to stifle the bureau's investigation into Trump associates' ties to Russia's meddling in the campaign.
Republican U.S. Representative Jason Chaffetz, chairman of a House of Representatives oversight committee, said his committee "is going to get the Comey memo, if it exists". One of Comey's associates then read parts of the memo to the Times.
"I don't think he understands it", said the official, adding that Mr Trump needed more detailed briefings before leaving on Friday.