Organizers with Houston's chapter of the 50501 Movement, a national political organization opposed to Trump, said they are calling for a peaceful protest, which is set to begin at 10 a.m. at City Hall. The demonstration is expected to attract several thousand people, said Kristi Pham, of 50501 Houston.

That’s part of why George Atkinson, a former high school government teacher, felt compelled to join a protest in downtown Houston on Saturday. The 89-year-old affixed a sign to his walker that read, “The clothes have no emperor! He’s all hat and no cattle!”

Demonstrations in McAllen, Midland, Odessa, Austin and elsewhere in Texas were largely peaceful, as some protests went well into the night.

The anti-Trump protests in Austin remained peaceful, despite a "credible threat" that forced a brief evacuation of the Texas Capitol complex.

Thousands gathered at Houston City Hall for a lively protest early Saturday, cheering as local speakers decried President Trump’s immigration crackdown. Police officers in protective gear ringed parts of a subdued but attentive crowd.