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 DuckworthDanish legislator told she's 'not welcome' in Parliament after bringing baby to work Overnight Defense: Pentagon details 8 billion budget request | Officials defend boost for war fund | Armed Services chair aims to 'kill' Trump plan for low-yield nuke Why block citizenship to immigrants who defend America? MORE (Ill.), Sen. Mazie HironoMazie Keiko HironoCitizens lose when partisans play politics with the federal judiciary Warren, Harris, Gillibrand back efforts to add justices to Supreme Court Liberal commentator: Trump's warning that supporters could play tough is a 'violent dog whistle' MORE (Hawaii) and Rep. Pramila JayapalPramila JayapalOn The Money: Trump issues emergency order grounding Boeing 737 Max jets | Senate talks over emergency resolution collapse | Progressives seek defense freeze in budget talks Progressives seek defense freeze in budget talks House Dems reintroduce the Dream Act MORE (Wash.), met with the protesters.

Sen. Kirsten GillibrandKirsten Elizabeth GillibrandHere's what the Dem candidates for president said about the Mueller report Booker takes early lead in 2020 endorsements CNN town halls put network at center of Dem primary 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 TrumpMueller report findings could be a 'good day' for Trump, Dem senator says Trump officials heading to China for trade talks next week Showdown looms over Mueller report 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.