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

No Kings protests come on the heels of protests across the country over federal immigration enforcement raids that began last week and Trump ordering

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

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.

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

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.

Here's how to stay safe and what to know about your rights if you get arrested, detained or encounter tear gas during Houston's No Kings Day protest.

Coordinated "No Kings" protests are underway from coast-to-coast, part of a "national day of peaceful protest" against the Trump administration that is expected to draw millions. Protesters in some areas braved wet weather to raise signs and chant slogans supporting the rights of immigrants and criticizing what they see as Trump's power grab.