The Department of Justice sued the authorities of Colorado and the metropolis of Denver for allegedly interfering with national migration enforcement.
The lawsuit, filed Friday successful Colorado District Court, accuses the authorities and its astir populous metropolis of implementing "sanctuary laws" successful usurpation of the Supremacy Clause of the Constitution.
"The United States has well-established, preeminent, and preemptive authorization to modulate migration matters," the suit reads.
Sanctuary cities notation to areas that question to support migrants without ineligible presumption and that person constricted practice with national officials to enforce migration laws.
OVER 100 ILLEGAL IMMIGRANTS ARRESTED IN COLORADO SPRINGS MASSIVE UNDERGROUND NIGHTCLUB RAID

Officers stitchery extracurricular 1 of the condemned buildings of an flat analyzable called The Edge astatine Lowry aft a quality league to outline that the 5 lodging structures person been closed by the city, Feb. 19, 2025, successful Aurora, Colorado. (AP)
U.S. Immigration and Customs Enforcement enforces national migration laws crossed the state but solicits enactment from authorities and section officials, peculiarly for large-scale deportations. The bureau besides asks constabulary departments and sheriff's offices to emblem migrants it wants to deport and clasp them until national agents tin instrumentality custody.
The Department of Justice has filed akin lawsuits challenging "sanctuary policies" successful Rochester, New York, and Chicago.
Attorneys for the section reason Colorado's "sanctuary policies" allowed the Venezuelan pack Tren de Aragua (TdA) to prehend power of an flat analyzable successful the Denver suburb of Aurora.
Local officials person described President Donald Trump’s claims that the pack had taken implicit ample areas of the metropolis arsenic exaggerated, but admitted that the flat analyzable was terrorized, including by radical with links to TdA.

The Department of Justice has filed akin lawsuits challenging "sanctuary policies" successful Rochester, New York, and Chicago. (Kevin Dietsch/Getty Images)
The lawsuit successful Colorado lists the defendants arsenic Gov. Jared Polis, the authorities Legislature, Denver Mayor Mike Johnston and Colorado Attorney General Phil Weiser.
Polis' bureau said Colorado is not a sanctuary authorities and regularly works with local, authorities and national instrumentality enforcement agencies.
"If the courts accidental that immoderate Colorado instrumentality is not valid past we volition travel the ruling," spokesperson Conor Cahill told The Associated Press. "We are not going to remark connected the merits of the lawsuit."
REPUBLICAN LAWMAKERS SEEK TO STRIP DISTRICT OF COLUMBIA OF ITS SANCTUARY CITY POLICIES

The DOJ's suit lists the defendants arsenic Colorado Gov. Jared Polis, the authorities Legislature, Denver Mayor Mike Johnston and Colorado Attorney General Phil Weiser. (Al Drago/Bloomberg via Getty Images)
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Republicans successful Congress person attempted to unit officials successful Democratic-led cities to cooperate with the Trump administration’s migration policies, which see promises of wide deportations.
The GOP lawmakers summoned the mayors of Denver, Boston, New York City and Chicago to attest past period earlier the House Committee connected Oversight and Government Reform. However, the mayors pushed backmost and defended their cities arsenic welcoming places and not lawless information zones. The mayors besides called connected Congress to walk migration reform.
The Associated Press contributed to this report.