Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellHillicon Valley: Apple rolls out coronavirus screening app, website | Pompeo urged to crack down on coronavirus misinformation from China | Senators push FTC on price gouging | Instacart workers threaten strike Trump signs T coronavirus relief package Pelosi not invited by Trump to White House coronavirus relief bill's signing MORE (R-Ky.) on Friday tried to tamp down the political backlash over the Senate Intelligence Committee's decision to subpoena Donald Trump Jr.Donald (Don) John TrumpTwitter says coronavirus disinformation spread by Chinese officials does not violate rules Former lawyer for trophy hunting group joins Trump administration A rarely used fine could limit the spread of the coronavirus to the United States MORE, urging the president "not to worry."

"I know the president's upset about that, but I think he ought not to worry about it. The chairman of the Intelligence Committee has already said the committee, when it reports, will find no collusion," McConnell told WHAS, a Kentucky radio station.

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McConnell's comments come after Intelligence Committee Chairman Richard BurrRichard Mauze BurrStimulus bill to prohibit Trump family, lawmakers from benefiting from loan programs Gaetz accuses Burr of 'screwing all Americans' with stock sale House bill would ban stock trading by members of Congress MORE's (R-N.C.) decision, in conjunction with Vice Chairman Mark WarnerMark Robert WarnerHillicon Valley: Coronavirus deal includes funds for mail-in voting | Twitter pulled into fight over virus disinformation | State AGs target price gouging | Apple to donate 10M masks Senator sounds alarm on cyber threats to internet connectivity during coronavirus crisis Senator calls for cybersecurity review at health agencies after hacking incident MORE (D-Va.), to subpoena Trump Jr. sparked intense division among Senate Republicans.

Several — including Burr's fellow senator from North Carolina, Thom TillisThomas (Thom) Roland TillisCampaigns pivot toward health awareness as races sidelined by coronavirus Senate leaving DC until April 20 after coronavirus stimulus vote Senate GOP super PAC books more than million in fall ads MORE (R), who is up for reelection — were critical of Burr on Thursday.

But McConnell, during Friday's radio interview, defended the Intelligence Committee, noting that its years-long investigation into the 2016 election and Russian interference had remained bipartisan.

"This Intelligence Committee in the Senate, unlike the Intel Committee in the House, has not descended into partisan bickering. It's been a largely bipartisan effort. Chairman Burr has indicated that they'll be reporting very soon," McConnell said.

He added that "we ought to just take a deep breath and understand that this episode is coming to an end."

The decision by Burr and Warner to subpoena Trump Jr. comes as members of the Intelligence Committee say they are trying to wrap up their investigation, and subsequent reports, by August. The decision appeared to catch a number of Senate Republicans off guard, with several members of the committee indicating that they hadn't been given a heads up.

Trump said on Thursday that he was "surprised," adding that he "saw Richard Burr saying there was no collusion two or three weeks ago."

Burr, in a closed-door GOP lunch on Thursday, detailed the steps that he and Warner had taken to try to set up a time to talk with Trump Jr. before issuing the subpoena. McConnell also reportedly defended Burr during the lunch.

McConnell also predicted to Fox News's Sean HannitySean Patrick HannityOvernight Health Care — Presented by PCMA — US coronavirus cases hit 100,000 | Trump signs T stimulus package | Trump employs defense powers to force GM to make ventilators | New concerns over virus testing Hillary Clinton on US leading in coronavirus cases: Trump 'did promise "America First"' Cuomo pushes back on Trump over ventilators: 'I operate on facts' MORE on Thursday night that "this is going to have a happy ending."

“I understand the president’s frustration here. But I think that this is just a blip," he said. "I think that the case is closed. I think that the controversy has been concluded.”