Hundreds of protesters took to the Capitol on Monday to urge swing-vote Republicans to reject Supreme Court nominee Brett Kavanaugh amid fresh allegations of sexual misconduct.

Demonstrators affiliated with the Be A Hero campaign and several other progressive organizations lined the walls outside the offices of Sens. Susan Collins Susan Margaret CollinsClub for Growth to spend million in ads for Trump Supreme Court nominee Maryland's GOP governor says Republicans shouldn't rush SCOTUS vote before election The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November MORE (Maine) and Jeff Flake Jeffrey (Jeff) Lane FlakeHow fast population growth made Arizona a swing state Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden MORE (Ariz.) and filtered into the Russell Rotunda.

Protesters wore shirts that read "Believe Women" and "Be A Hero" in support of the women who have accused Kavanaugh of sexual misconduct.

A couple hundred anti-Kavanaugh protesters lining the hallway outside @JeffFlake’s office —> pic.twitter.com/eSxmWPDuXJ — Frank Thorp V (@frankthorp) September 24, 2018

Demonstrators crowding Russell Rotunda on behalf of Kavanaugh accusers pic.twitter.com/wggGCqx6iD — Chad Pergram (@ChadPergram) September 24, 2018

Wall to wall heroes line the corridor outside @SenatorCollins office. Mainers are begging her to #BeAHero and vote NO or we will find someone who will. Pledge $20.20 https://t.co/VshoGeTtcG pic.twitter.com/oLE7BECmLa — Be A Hero (@BeAHeroTeam) September 24, 2018

Eva Malecki, communications director for Capitol Police, told The Hill that some protesters have been arrested. She said authorities would release total arrest numbers from the protests at the end of the day.

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Liberal activists have urged Collins, Flake and Sen. Lisa Murkowski Lisa Ann MurkowskiClub for Growth to spend million in ads for Trump Supreme Court nominee Pebble Mine CEO resigns over secretly recorded comments about government officials Maryland's GOP governor says Republicans shouldn't rush SCOTUS vote before election MORE (R-Alaska) to vote "no" on Kavanaugh ever since President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE announced his nomination in July. Progressive groups have refocused those calls after two women accused Kavanaugh of sexual misconduct in recent weeks.

Christine Blasey Ford this month went public with her accusation that Kavanaugh pinned her to a bed, groped her and attempted to remove her clothes, covering her mouth when she tried to scream for help at a high school party during the early 1980s.

More recently, The New Yorker published an article on Sunday in which Deborah Ramirez claimed that Kavanaugh exposed himself to her and thrust his genitals in her face during a college party, also in the 1980s.

Kavanaugh has adamantly denied both allegations.

Ford and Kavanaugh are set to testify about the first allegation on Thursday, but Democratic senators are now calling for the hearing to be postponed in the wake of Ramirez's accusation.

The White House and Senate Republicans continue to support Kavanaugh despite the allegations, which they have cast as part of a "smear campaign" against the judge.