The lawsuit asks the court to immediately end a number of laws and ordinances it says thwart federal immigration authorities.

In its lawsuit, filed Thursday, the U.S. Department of Justice says Chicago’s Welcoming City Act, Cook County’s Ordinance ...

The Trump administration on Thursday sued the city of Chicago and state of Illinois for allegedly interfering with ...

The Trump administration sued officials in Illinois, Chicago and Cook County on Thursday over policies that limit cooperation ...

The lawsuit comes as Chicago mayor Brandon Johnson is expected to testify before the House Oversight Committee next month.

The lawsuit argues that the U.S. Constitution’s Supremacy Clause “prohibits Illinois, Chicago, Cook County, and their ...

The Department of Justice is suing Illinois, Chicago and Cook County because of their sanctuary policies. The Trump ...

President Trump’s Justice Department sued the state of Illinois, the city of Chicago and local officials Thursday over laws ...

The suit challenges state and local laws that limit police from cooperating with federal immigration authorities.

The federal lawsuit accuses those jurisdictions of "making it more difficult for, and deliberately impeding, federal ...

The Department of Justice is suing Chicago, the state of Illinois and Cook County over sanctuary city policies.

The Justice Department accused the Democratic strongholds of unlawfully interfering with Trump's crackdown and seeking a ...