Mayor Brandon Johnson will travel to Washington, D.C., next month to testify at a congressional hearing on Chicago's status as a sanctuary city for undocumented immigrants. House Oversight Committee Chairman James Comer (R-KY) sent letters Johnson and the mayors for three other major cities – Boston,

The lawsuit - which mentions Illinois Governor JB Pritzker and Chicago Mayor Brandon Johnson - also seeks to block local laws it claims "interfere with and discriminate against" federal immigration policy.

The Trump administration is suing Chicago over what are known as sanctuary laws. The administration claims the nation’s third-largest city “thwarts” federal efforts to enforce immigration laws.