The immigration blitz was action long promised by President Donald Trump who made mass deportation central to his campaign.

Bove previously issued a memo ordering federal prosecutors to investigate officials from sanctuary jurisdictions if they suspect interference with the deportation raids.

The number of arrests there was uncertain. Illinois officials, including the governor, said they had not been given advance notice.

The sheer number of federal agencies involved showed President Donald Trump’s willingness to use federal law enforcement beyond the Department of Homeland Security to carry out his long-promised

The Trump administration launched an immigration enforcement blitz in Chicago on Sunday that includes several federal agencies that have been granted additional authorities to arrest undocumented immigrants in the US,

Chicago Mayor Brandon Johnson and Chicago Police Supt. Larry Snelling spoke out Tuesday on immigration enforcement in the city.

Acting Deputy Attorney General Emil Bove, appointed by President Donald Trump, will oversee the efforts of the FBI, DEA, ATF, U.S. Marshall Service, and federal prosecutors.

Top Trump administration officials visited Chicago on Sunday to witness the start of ramped-up immigration enforcement in the nation’s third-largest city as federal agencies touted arrests around the country.

Chicago has some of the strongest sanctuary protections, which bar cooperation between city police and immigration agents

The sheer number of federal agencies involved showed President Donald Trump’s willingness to use federal law enforcement beyond the Department of Homeland Security to carry out his long-promised mass deportations.

Top Trump administration officials, including “border czar” Tom Homan and the acting deputy attorney general, visited Chicago on Sunday to witness the start of ramped-up immigration enforcement in the nation’s third-largest city.

Sources told NBC News that federal enforcement agencies will not conduct an operation in Aurora on Thursday as originally planned.