Trump has portrayed Chicago as riven by violent crime, a description at odds with statistics showing the city’s murder rate has been on the decline for several years. Illinois Governor JB Pritzker, a Democrat, has accused Trump of deliberately seeking to provoke unrest to justify further federal intervention.

Days before he was ordered to appear in front of a US district judge to answer pressing questions about the immigration crackdown in Chicago, the city’s Immigration and Customs Enforcement field director is heading out of town and two other officials are set to testify Monday instead.

A federal judge ordered earlier this month that immigration agents can’t use tear gas on journalists and protesters who pose no threat — yet the incidents have continued.

The DHS is facing questions over differing accounts of the shooting of a U.S. citizen in Chicago, as protests continue.

The first "No Kings" Chicago protest was held in June in Daley Plaza and drew tens of thousands of demonstrators. Saturday's protest has been moved to Grant Park, a larger area that can accommodate more people.

Several hundred volunteers are patrolling the streets of Chicago and its suburbs warning migrants of ICE's presence. This is part of a growing resistance to ICE's operations in Illinois.