In Los Angeles, 38 people were arrested downtown on Saturday night, police said Sunday. In Huntington Beach, police arrested a convicted felon they said had a loaded handgun.

The event was one of more than 2,000 “No Kings” rallies held across the country on Saturday, protesting what organizers call “authoritarianism, billionaire-first politics, and the militarization of our democracy.

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.

“The most threatening sound to an oligarch is laughter.”

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.

NBC News correspondent David Noriega reports on the ground in Los Angeles, CA as citizens march in the 'No Kings' protests. "There are a lot of people out here who are the children of immigrants... They feel personally that a lot is at stake for them with these protests,

LAPD is keeping a heavy presence in downtown Los Angeles after clashes with protesters following No Kings Day protests. KCAL's Zach Boetto talks about what happened after an unlawful assembly was declared.