A U.S. District Court judge has rejected a lawsuit brought by the Trump administration against four New Jersey municipalities, stating that the legal challenge had a fundamental flaw. The suit, which targeted Newark, Hoboken, Jersey City, and Paterson, alleged that their sanctuary city policies undermined federal immigration enforcement efforts.

In a ruling on Tuesday, the judge determined that the lawsuit's premise was unworkable. The court found that because statewide immigration policies remained in place, a victory against these individual cities would not have fundamentally altered the landscape of federal immigration enforcement. The administration's attempt to compel these cities to cooperate with federal immigration authorities was thus deemed insufficient to proceed.

The lawsuit, initiated during the Trump administration, aimed to prohibit cities from enacting policies that shielded undocumented immigrants from federal detention and deportation. The Department of Justice argued that these local policies obstructed the federal government's ability to enforce immigration laws.