US Attorney General William Barr should be held in contempt of Congress, the House of Representatives judiciary committee has ruled.
Democrats on the committee took the rare step as tensions increased over the special counsel’s findings on Russian interference.
President Donald Trump hit back by asserting executive privilege over the report, shielding it from public view.
The White House and Congress accused each other of abusing power.
Special Counsel Robert Mueller’s report did not conclude that there was a criminal conspiracy between Moscow and the Trump campaign to influence the 2016 US presidential election.
However, Mr Mueller did detail