Sen. Mark Warner Mark Robert WarnerIntelligence chief says Congress will get some in-person election security briefings Overnight Defense: Trump hosts Israel, UAE, Bahrain for historic signing l Air Force reveals it secretly built and flew new fighter jet l Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals' House approves bill to secure internet-connected federal devices against cyber threats MORE (D-Va.), the ranking Democrat on the Senate Intelligence Committee, said he will “absolutely” subpoena recordings of conversations between President Trump and former FBI Director James Comey if they exist.

“Listen, I don’t have the foggiest whether there are tapes are not, but the fact that the president made allusions to that and then the White House would not confirm or deny, it is not anything we have seen in recent days,” Warner told ABC’s “This Week” on Sunday.

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Warner, who is leading the Senate’s investigation into Russia’s attempts to interfere in the United States presidential election along with Sen. Richard Burr Richard Mauze BurrRep. Mark Walker says he's been contacted about Liberty University vacancy Overnight Defense: Trump rejects major cut to military health care | Senate report says Trump campaign's Russia contacts posed 'grave' threat Senate report describes closer ties between 2016 Trump campaign, Russia MORE (R-N.C.), said that while another committee may need to subpoena the tapes, it is essential to make sure they don’t “mysteriously disappear.”

“I’ve asked, others have asked, to make sure the tapes are preserved, if they exist,” Warner said.

Trump on Friday threatened Comey on Twitter several days after firing him.

“James Comey better hope that there are no 'tapes' of our conversations before he starts leaking to the press!” Trump tweeted.

Since Comey’s firing, current and former FBI officials have given alternative descriptions of a meeting between the president and the former FBI head. Trump, in a signed letter firing Comey, said Comey had told him three times that he was not under investigation by the bureau.