Protesters arrested during #WomenDisobey demonstration at Senate office building
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Dozens of protesters on Thursday staged a sit-in at the U.S. Senate Hart Building in Washington to protest the Trump administration’s immigration policy.

Police have arrested about 40 people — mostly women — inside the atrium of the federal building as part of the #WomenDisobey protest, according to CNN.

“They want to create a big moment up here on Capitol Hill the day that many lawmakers will wrap up their legislative work and head home without addressing the family separation issue,” CNN correspondent Sunlen Serfaty reported.

Several Democratic lawmakers, including Sen. Tammy DuckworthLadda (Tammy) Tammy DuckworthWhite House, GOP defend Trump emergency declaration Dem senator thinks Senate may be able to block emergency declaration Trump’s new Syria timetable raises concern among key anti-ISIS allies MORE (Ill.), Sen. Mazie HironoMazie Keiko HironoFemale Dems see double standard in Klobuchar accusations Trump tweets video mocking Dems not cheering during State of the Union New battle lines in war over Trump’s judicial picks MORE (Hawaii) and Rep. Pramila JayapalPramila JayapalOvernight Health Care — Sponsored by America's 340B Hospitals — Push for cosponsors for new 'Medicare for all' bill | Court lets Dems defend ObamaCare | Flu season not as severe as last year, CDC says Democrats seek cosponsors for new 'Medicare for all' bill Overnight Health Care — Sponsored by America's 340B Hospitals — Utah tests Trump on Medicaid expansion | Dems roll out Medicare buy-in proposal | Medicare for all could get hearing next month | Doctors group faces political risks on guns MORE (Wash.), met with the protesters.

Sen. Kirsten GillibrandKirsten Elizabeth GillibrandWarren set to announce plan for universal child care: reports Senate Dems introduce bill to prevent Trump from using disaster funds to build wall Klobuchar, O'Rourke visit Wisconsin as 2020 race heats up MORE (D-N.Y.) sat down on the floor and joined the sit-in.

Demonstrators draped themselves in mylar blankets, similar to the ones given to immigrant children separated from their parents at the U.S.-Mexico border.

Crowds from the "Women Disobey" march disrupted traffic in the streets of Washington earlier in the day. The event was organized to protest President TrumpDonald John TrumpRosenstein expected to leave DOJ next month: reports Allies wary of Shanahan's assurances with looming presence of Trump States file lawsuit seeking to block Trump's national emergency declaration MORE's "zero tolerance" policy of prosecuting anyone accused of illegally crossing into the U.S. via the southern border.

Trump signed an executive order last week, after days of bipartisan pressure, that ended the practice of separating families who were detained after entering the U.S.

The Women's March, which mobilized worldwide protests the day after Trump's inauguration in 2017, organized Thursday’s march.