Viral videos from 'No Kings' protests show people making threats against Charlie Kirk and President Donald Trump, prompting investigations by authorities.

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.

No Kings protests were held on Saturday in downtown Chicago, the city’s suburbs and northwest Indiana. Here’s what to know.

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.

After a massive rally in Grant Park, people took to downtown streets to show opposition to efforts including the deportation campaign that's deployed federal agents and troops to the Chicago area.

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.

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 protest in Valparaiso was part of roughly 2,500 similar demonstrations against the Trump administration planned across the country and globe.

A Chicago-based elementary school teacher mocked Charlie Kirk’s assassination by using a sickening gun gesture at a No Kings protest over the weekend. Lucy Martinez, a teacher at Nathan Hale Elementary School,