Chicago Mayor Brandon Johnson and the Chicago Transit Authority (CTA) launched a 'Know Your Rights' campaign Thursday to inform city residents of their legal protections against federal Immigration

Chicago Mayor Brandon Johnson says the city will defend residents "whether you're undocumented, whether you are seeking asylum or whether you're seeking a good paying job."

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

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 enforcementin the nation’s third-largest city as federal agencies touted arrests around the country.