Denver Mayor Mike Johnston on Wednesday agreed to testify before Congress over Denver's status as a sanctuary city. Why it matters: Johnson will be pressed to defend Denver's policies protecting migrants from deportation at a time when the U.

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

Democratic mayors of "sanctuary cities" have agreed to testify before a House committee after Attorney General Pam Bondi signed a directive cutting federal funding to the cities.