Nunes said the calls for him to step aside were "politically motivated".
Democrats in Congress, including Rep.
Conaway, a Texas Republican, who will now lead the Russian Federation investigation, said he hopes to work with the committee's Democrats to get the Russian Federation investigation back on track, but said he'll need their cooperation.
The president spoke to reporters aboard Air Force One on the way to his Florida resort on Thursday afternoon.
After Nunes stepped down Thursday Schiff commended his decision. Nunes was accused of having a conflict of interest and seeming too invested in doing the president's bidding rather than leading an objective investigation. The day after the visit to the White House grounds, Nunes briefed the press and the President on his findings. Now, we've learned through subsequent reports that the information he got which he said involved the USA sweeping up Trump administration or then Trump transition aides and potentially Trump himself in surveillance of foreign persons overseas might have included some of the names of the people involved with that.
On Tuesday, Obama's national security adviser Susan Rice acknowledged reports that she had unmasked some of the Americans in the intercepts. "How low can you go?" Trump would not say whether he reviewed new intelligence to support his claim.
Jordan Libowitz is spokesman for Citizens for Responsibility and Ethics in Washington.
Nunes repeatedly had said he did not intend to step aside, but there have been questions about his ability to lead an independent investigation. Many on Capitol Hill have said he is too eager to do the White House's bidding and can not be an impartial investigator into questions about any role President Donald Trump's associates may have had in last year's Russian campaign to disrupt the election.
"I must emphasize that this is a temporary position- Chairman Nunes has my full support, and I am confident these charges levied by outside activists will be proven false".
The California Republican's decision comes amid partisan turmoil on the committee.
In the face of much scepticism, Mr Nunes maintains White House officials were not his original source for the claims.
Rep. Devin Nunes said accusations from "left-wing activist groups" prompted him to recuse himself.
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Trump has repeatedly called that charge "fake news".
Republicans on the panel emphasized to The Hill that the move "is just temporary. pending the ethics investigation".
Devin Nunes is stepping aside from the House of Representatives' probe into Russia's role in the 2016 election.
Immediately afterward, critics said he had disclosed classified information in what many saw as an effort to provide cover to Trump's wiretapping claim and distract from the wider Russian Federation investigation, a day after FBI director James Comey confirmed at a hearing that his agency was investigating the matter.
House Ethics rules state that the committee is to investigate "certain unauthorized disclosures of intelligence-related information".
Two of the four people who signed the March 28 letter alleging ethics violations served as White House counsels in Republican and Democratic administrations.
Nunes has come under intense criticism for meeting secretly with White House officials to view intelligence regarding Trump associates. Rep. Mike Conaway, R-Texas, will take lead on the Russian Federation investigation.
Nunes had repeatedly brushed aside calls to step down from leading the House version of the Russian Federation probe, but ultimately caved when the House Ethics Committee announced Thursday it will investigate allegations that he mishandled classified information by taking it to the White House first instead of sharing it with members of the committee.
In a statement, Nunes said he made a decision to recuse himself after a number of "left-wing activist groups" submitted complaints to the Office of Congressional Ethics criticizing his leadership.