President Donald Trump promised to make immigration enforcement a top priority for his new administration, and in his first few weeks in office, ICE officials have conducted multiple raids around the country, along with opening up Guantanamo Bay as a detention center to hold up to 30,000 people being deported.

Chicago Mayor Brandon Johnson, who did not immediately respond to request for comment, has defended the city's sanctuary laws. He and other mayors plan to testify next month at a

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