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,

Mayor Brandon Johnson will testify before Congress next month as part of a Republican-led House probe into sanctuary cities, his office announced Wednesday.

The U.S. Department of Justice is suing the State of Illinois and the City of Chicago, alleging that sanctuary status is obstructing federal immigration enforcement. Charlie De Mar reports.