A crowd-size expert from the U.K. estimates that between 10,000 to 15,000 people attended Saturday's protest in downtown Chicago. But some estimates say 75,000 people gathered downtown.

The Loop was packed for hours with people fired up and angry with the Trump administration and their handling of ICE and deportations.

A huge and peaceful crowed turned out for the "No Kings" rally, shutting down much of the Loop as part of a nationwide protest movement to denounce the Trump administration.

The ‘No Kings’ protest rally in Elgin Saturday drew a huge crowd to Kimball Street armed with signs bearing messages like, “Rejecting Kings since 1776,” and chanting in opposition to

Thousands across the Chicago area rallied for "No Kings Day" protests against the Trump administration. There seemed to be a never-ending crowd of people marching from Daley Plaza all throughout the Loop.

Millions of people turned out for "No Kings" protests nationwide on Saturday that were largely peaceful though there were some arrests and police had to disperse unruly crowds, including in Georgia and Los Angeles.

The largely peaceful protests during the "No Kings Day" demonstration in downtown Los Angeles took an intense turn in the afternoon. Police ordered the crowd to disperse at about 4:15 p.m. PDT near Alameda Street and Temple Avenue, according to the Los Angeles Police Department's Central Division.