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

Saturday marks the first full day of Marines on duty in Los Angeles, one week after protests against Immigration and Customs Enforcement raids ignited in LA and spread to other cities across the U.S.,

Texas DPS officers will close the Capitol early ahead of Saturday's protest to ensure safety, but organizers say 'No Kings' protest will be peaceful.

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.

Troops have already been deployed to Los Angeles and San Antonio. Nationwide protests are planned for Saturday.

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.

As celebrations for the U.S. Army's 250th anniversary take place in the nation's capital, marchers angry at the president take to nearby streets. (David Dee Delgado for Fox News Digital)