Federal officials are asking a judge to bar the Illinois, Chicago, Cook County and the Cook County Sheriff from using local laws that protect migrants to hamper law enforcement.

President Trump’s Justice Department sued the state of Illinois, the city of Chicago and local officials Thursday over laws creating a so-called “sanctuary city.” Accusing the officials of impeding federal immigration enforcement efforts,

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