Speaker Nancy Pelosi Nancy PelosiPowell warns failure to reach COVID-19 deal could 'scar and damage' economy Overnight Defense: House to vote on military justice bill spurred by Vanessa Guillén death | Biden courts veterans after Trump's military controversies Intelligence chief says Congress will get some in-person election security briefings MORE (D-Calif.) ripped senators who voted against approving further witness testimony in the Senate’s impeachment trial against President Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE, saying the lawmakers were part of a “cover-up.”

“The Senate Republicans’ vote against calling witnesses and compelling documents in the impeachment proceedings makes them accomplices to the President’s cover-up,” she said in a statement.

The Senate voted by a 51-49 margin to bar witnesses from appearing before the chamber in its impeachment investigation. Sens. Susan Collins Susan Margaret CollinsThe Hill's Campaign Report: Biden asks if public can trust vaccine from Trump ahead of Election Day | Oklahoma health officials raised red flags before Trump rally Gideon leads Collins by 12 points in Maine Senate race: poll Senate leaders quash talk of rank-and-file COVID-19 deal MORE (Maine) and Mitt Romney Willard (Mitt) Mitt RomneyThe Memo: Warning signs flash for Trump on debates GOP votes to authorize subpoenas, depositions in Obama-era probe 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' MORE (Utah) were the only Republicans to join all 47 Democrats in voting to approve the witness measure.

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The House impeached Trump on abuse of power and obstruction of Congress in December over his dealings with Ukraine. Democrats said Trump inappropriately pressured Kyiv to investigate his political rivals, including former Vice President Joe Biden Joe BidenThe Memo: Warning signs flash for Trump on debates Senate Republicans signal openness to working with Biden National postal mail handlers union endorses Biden MORE, and obstructed Congress by seeking to hamper subsequent probes into his conduct.

The House heard from several government officials, but were blocked by the White House from hearing from those close to Trump.

Republicans said the House should not have voted on the articles after what they said was an incomplete investigation.

“The House chose to send articles of impeachment that are rushed and flawed. I carefully considered the need for additional witnesses and documents, to cure the shortcomings of its process, but ultimately decided that I will vote against considering motions to subpoena,” said Sen. Lisa Murkowski Lisa Ann MurkowskiGOP ramps up attacks on Democrats over talk of nixing filibuster OVERNIGHT ENERGY: House Democrats tee up vote on climate-focused energy bill next week | EPA reappoints controversial leader to air quality advisory committee | Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals' House Democrats tee up vote on climate-focused energy bill next week MORE (R-Alaska), who had been considered a swing vote on the witness measure.

However, Democrats argued that new evidence surfaced since the House’s December vote mandated further witness testimony. Among the most sought-after witnesses was former national security adviser John Bolton John BoltonThe Hill's Morning Report - Sponsored by The Air Line Pilots Association - Pence lauds Harris as 'experienced debater'; Trump, Biden diverge over debate prep DOJ launches probe into Bolton book for possible classified information disclosures Gary Cohn: 'I haven't made up my mind' on vote for president in November MORE, who alleged in his upcoming memoir that Trump directly tied the withholding of $391 million in military aide to Ukraine to Kyiv’s willingness to conduct his requested investigations.

“It is a sad day for America to see Senator McConnell require the Chief Justice of the United States to preside over a vote which rejected our nation’s judicial norms, precedents and institutions to uphold the Constitution and the rule of law,” said Pelosi.