"We do not have that problem", said a Senate intelligence committee source.
Authorities said Russian Federation meddled in November's election to benefit Trump. "We can't just rely on selective leaks and reports".
Even Jason Chaffetz, the Republican who chairs the House Committee on Government Reform and Oversight, has written to the Federal Bureau of Investigation asking for any notes or recordings that Comey may have kept of his conversations with Trump.
Chaffetz had considered running for a U.S. Senate seat in the past.
"President has never asked Comey or anyone else to end any investigation, including any investigation involving General Flynn".
Two letters Grassley and Sen.
Later, the Senate judiciary committee whose subcommittee is also investigating Russian meddling into the United States election, requested that the FBI "provide all memos relating to former FBI Director Comey's interactions with his superiors in both the Trump and Obama administrations", according to a statement.
Facebook Messenger design update brings tabs to the home screen
While not a totally new look, the smaller changes should help to better streamline the app and make it more accessible for users. The new home screen is organised around making Messenger the central hub for connecting with both people and businesses.
Schumer said in a brief, somber floor speech Tuesday that he was "shaken" by the report that Trump asked Comey "to shut down an active investigation into a close political associate".
Each letter requested the records be provided to the judiciary committee by midweek next week.
Sen. Lindsey Graham (R-S.C.) has also invited Comey to testify before a Senate committee. The subcommittee also is in the midst of an investigation into Russian interference in the 2016 election.
In a separate letter, the Democratic members of the House Oversight Committee and the House Judiciary Committee also demanded an investigation into the activities of top Trump administration officials who might be engaged in "an ongoing conspiracy" to obstruct the FBI, the Justice Department and other congressional investigations.
"I think it's really important right now that we hear from the White House", she told CNN.
Grassley expressed concern about leaks inside the White House making their way to journalists. That came hours after The New York Times reported on a memo authored by Comey that said Trump asked the then-FBI director end his investigation into former national security adviser Michael Flynn.
"When will a Republican senator step out of the shadows and join us in calling for the appointment of a special prosecutor to bring a clear-eyed, non-partisan justice to this tangled web of deception?"