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

The Trump administration has sued Illinois and Chicago, alleging its laws are impeding on federal efforts to enforce ...

The federal lawsuit is the first by Trump's Justice Department against states or municipalities that have sanctuary city ...

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

It appears to be the first Justice Dept. lawsuit against local officials for allegedly interfering with the Trump ...

Federal officials are asking a judge to bar the Illinois, Chicago, Cook County and the Cook County Sheriff from using local ...

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

The U.S. Department of Justice is suing Illinois and Chicago, arguing that their immigration policies interfere with federal ...

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

Trump administration officials are suing Illinois and top state officials, hoping to force them to turn over suspected ...

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