The judge determined the state's policies are protected by the 10th Amendment, a blow to Trump's efforts to crack down on sanctuary jurisdictions.

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

A federal judge in Chicago on Friday blocked the Trump administration’s challenge to policies in the state of Illinois, the city of Chicago and Cook County that limit the powers of state and local police in assisting federal law enforcement on immigration-related matters.