President-elect Donald Trump’s incoming border czar vows that the biggest city in the Midwest will be “ground zero” for mass deportations, and officials across the political spectrum in Chicago are bracing for a showdown.

Business leaders and employers across the United States, including in Chicago, are raising alarms over immigration raids as President-elect Donald Trump prepares to implement his mass deportation policy.

Chicago Mayor Brandon Johnson, on Sunday, doubled down on his vow to oppose President Donald Trump's sweeping reform aimed at removing dangerous undocumented immigrants accused of crimes from the U.S.