Mayor Johnson was asked​ by the House Oversight Committee to testify on Capitol Hill next month about Chicago's sanctuary city status — along with other big city mayors.

Chicago Mayor Brandon Johnson has been called to testify before a congressional committee about the city’s sanctuary city status — a demand that came Monday as federal agents fanned across the Chicago area to carry out the Trump administration’s deportation operation.

Mayor Brandon Johnson says he has not decided whether to testify before Congress over the city's sanctuary city policies. Why it matters: If the mayor testifies, he will attempt to fend off federal pressure while supporting the city's immigration policy that has stood for 40 years.

Boston Mayor Michelle Wu has been asked to testify at a Congressional hearing as part of a federal investigation into sanctuary cities.

The City of Chicago is being investigated for its "sanctuary city" status, as immigration officers continue to make arrests in the city and around the U.S. On Monday, Mayor Brandon Johnson received a letter from Washington,

Mayor Brandon Johnson is addressing federal immigration enforcement efforts in Chicago. Brandon Johnson and other mayors of sanctuary cities are called to testify before congress.

Johnson also has been asked to hand over all documents and communications related Chicago's sanctuary policies.