As part of President Trump's immigration crackdown, his administration is suing Chicago and Illinois over what are known as sanctuary laws.

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

President Donald Trump’s administration went to court Thursday to challenge sanctuary policies in the state of Illinois, Cook ...

The Trump administration sued the state of Illinois and the city of Chicago on Thursday, alleging that their sanctuary city policies are blocking federal authorities from enforcing immigration ...

The suit asserts that sanctuary laws in Chicago, Cook County and Illinois have obstructed federal efforts to enforce ...

A second federal judge in two days has blocked President Donald Trump’s effort to end birthright citizenship for the children ...