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

Mayor Eric Adams spent another morning in Washington D.C.​ and his time with President Trump appears to have paid off.

As President Donald Trump’s immigration crackdown grips the Chicago area in fear, a burgeoning resistance movement has also emerged here to challenge — as well as evade — immigration

The lawsuit appears to be the first the Justice Department has filed after vowing to investigate state and local officials for allegedly interfering with the president's immigration policies.

"Sanctuary cities are sanctuary for criminals," Trump's border czar Tom Homan told reporters at the White House.

The lawsuit argues the U.S. Constitution’s Supremacy “prohibits Illinois, Chicago, Cook County, and their officials from obstructing the Federal Government’s ability to enforce laws that Congress has enacted or to take actions entrusted to it by the Constitution.”

The Trump administration stepped up its legal fight over the president’s crackdown on undocumented immigrants by suing Illinois and Chicago, claiming their “sanctuary” policies prevent local officials from cooperating with federal immigration enforcement.

The Justice Department sued the state of Illinois and city of Chicago on Thursday, accusing the Democratic strongholds of unlawfully interfering with Republican President Donald Trump's crackdown on i

It appears to be the first Justice Department lawsuit against local officials for allegedly interfering with the Trump administration’s immigration crackdown.

Trump administration officials are suing Illinois and top state officials, hoping to force them to turn over suspected illegal immigrants rather than releasing them from jails and state prisons. The lawsuit filed Thursday is among the most recent efforts by Trump officials to push liberal-led states,