The Department of Justice has sued New York Mayor Eric Adams, challenging local "sanctuary" policies that limit cooperation with federal immigration authorities. It wants New York City's sanctuary policies to be declared unconstitutional, saying they impede the enforcement of federal immigration laws.

A federal judge in Illinois has dismissed a Trump administration lawsuit that sought to disrupt limits Chicago imposes on cooperation between federal immigration agents and local police.

A federal judge has dismissed the Trump administration’s lawsuit against Illinois and Chicago over sanctuary policies that the government has said interfere with federal immigration enforcement.