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

"With the exception of a small number of agitators, the event remained largely peaceful," the Austin Police Department said.

A short time ago, a Trooper with the Texas Department of Public Safety (DPS) took one person into custody in connection with the threats made against state lawmakers who planned to attend today’s protest at the Texas State Capitol Complex,

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.

Austin police now say three people were arrested as thousands of protesters took to the streets of Downtown Austin on Saturday.

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

U.S. Rep. Lloyd Doggett, another elected representative speaking while under apparent threat of assassination, gave a roundup of recent disturbing news headlines. He pointed to the shooting in Minnesota, and the incident Thursday when California Sen. Alex Padilla was aggressively arrested on camera. The crowd booed.

Saturday's event at the Capitol remained peaceful. The Texas Department of Public Safety made one arrest earlier in the day related to threats against state lawmakers who were expected to speak.

Pennsylvania Lieutenant Governor Austin Davis spoke during a "No Kings" protest Saturday in Downtown Pittsburgh. "Every day, Donald Trump has been putting American families at risk," Davis told the crowd of a few hundred in front of the City-County Building.

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)

Thousands of people gathered at the Texas Capitol in Austin for one of the thousands of "No Kings" protests that took place across the country on Saturday.