Chicago was one of dozens of cities nationwide that held "No Kings" protests Saturday. A quarter of a million people marched through downtown, organizers said.

The gatherings are part of a mass mobilization across the U.S. and globe positioned as a denouncement of President Donald Trump and his administration’s policies. In Chicago, they come amid sustained immigration raids.

Speaking at a "No Kings" rally in Washington, D.C., Bill Nye, the former host of "Bill Nye the Science Guy," urged lawmakers to “stop the abuses of this petulant president [Trump] and his circle of sycophants,” declaring, “No thrones, no crowns, no kings."

With thousands of "No Kings" protests planned around the U.S. this weekend, many are expected to take place in Chicago and surrounding suburbs as the city continues to grapple with immigration enforcement efforts from President Donald Trump's administration.

At least 11 protesters were arrested amid clashes with local police outside the Broadview, Ill., Immigration and Customs Enforcement facility on Friday morning.

Chicago organizers predict the “No Kings” protest on Saturday will be bigger than events in June, fueled by anger at Donald Trump’s immigration crackdown.

Thousands of people are expected to gather in Chicago and the suburbs Saturday for a "No Kings" protest amid ongoing federal immigration enforcement operations in the area. The first "No Kings" protest in June drew roughly 15,