"No Kings" protests are being organized across North Texas and nationwide to challenge what organizers describe as the growing authoritarianism and corruption of President Donald Trump and his allies.

A man was arrested Saturday after the Texas Department of Public Safety identified a “credible threat” toward legislators attending Saturday’s “No Kings” protest at the Texas State Capitol. A DPS trooper arrested the suspect in La Grange,

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.

Organizers of the “No Kings” demonstrations said millions had marched in hundreds of events. In Oregon, tens of thousands of people gathered in downtown Portland for two large protests -- one that began in Tom McCall Waterfront Park and the other at the Oregon Convention Center.

Follow live updates as the military parade in Washington, D.C., kicks off on Trump's birthday. 'No Kings' protests by opponents are planned across the country today.

Demonstrators gathered at Civic League Park in San Angelo as part of nationwide "No Kings" protests on Saturday.

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

At least 1,500 "No Kings" protests nationwide were being held Saturday, the same day as President Donald Trump's large-scale military parade in Washington, D.C., to celebrate the U.S. Army and his 79th birthday.