The sounds of one of Chicago’s largest protests in recent memory reverberated throughout downtown Saturday, as tens of thousands gathered in a united admonishment of President Trump.

The Houston demonstration is one of several planned in the region throughout the day and is expected to draw thousands of protesters.

The Texas Department of Safety has arrested a man in connection with a “credible threat toward state legislators” attending Saturday's protest.

Tens of thousands of Americans joined "No Kings" protests across the United States against the Trump administration.

An estimated 10,000 people were in attendance at the “No Kings” rally that began in Pioneer Park and marched north through the downtown area, the Salt Lake City Police Department said. Gunfire was heard at around 8 p.m., with video posted online showing protesters fleeing in terror.

The LAPD said on social media that the people in the crowd were throwing "rocks, bricks, bottles and other objects" while they were near the federal building.

Thousands of protesters across the US marched against the Trump administration as part the "No Kings" movement Saturday, June 14.

Texas police say there are more than 10,000 people in attendance at the Capitol for Saturday's 'No Kings' protest. Follow for live updates.