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.

Follow live updates as 'No Kings' protests take place across the U.S. today in response to the Trump administration.

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."

The "No Kings" organizing group said rallies are expected in hundreds of locations across the country on Saturday in cooperation with civil rights groups and other organizations. The movement said it mobilized millions of people at its protests in June. Here is the latest map from their website showing where rallies are planned:

Thousands are expected downtown for a rally against Trump administration policies, particularly the aggressive deportation campaign that has deployed federal agents and troops to the city.

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.

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

"No Kings" events are committed to “nonviolent action and no civil disobedience,” according to the event's website.