The issue focused on cyber espionage from Russian hackers targeting Democratic presidential nominee Hillary Clinton's campaign chairman John Podesta and hacked emails published by WikiLeaks during the election campaign. The Russians denied involvement in the hacks.

Republican congressman Devin Nunes said Tuesday he believes intelligence agencies found Russia interfered with the 2016 presidential election but refused to elaborate on what evidence supports his assertion.

Asked whether Russia influenced the outcome of the election, Nunes replied: "No."

House Speaker Paul Ryan dismissed Nunes' suggestion as "pretty speculative,"