The New York City mayor will join other Democrats on March 5. Adams has criticized policies protecting undocumented immigrants.

The mayors of Boston, Chicago and Denver will also attend the March 5 hearing, Rep. James Comer (R-KY), chairperson of the House Committee on Oversight and Government Reform, said.

New York City Mayor Eric Adams is set to testify next month at a House Oversight Committee hearing on sanctuary cities, his office confirmed Wednesday. Adams will appear alongside fellow

House Oversight Committee Chairman James Comer (R-KY) sent letters Johnson and the mayors for three other major cities – Boston, Denver, and New York – last week, asking them to testify before the committee and hand over all documents and communications related to their city's sanctuary policies.