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 LAPD said on social media that the people in the crowd were throwing "rocks, bricks, bottles and other objects" while they were near the federal building.

Opponents of President Donald Trump’s administration are set to rally in nearly 2,000 cities and towns this weekend.

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.

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.

Thousands are expected to turn out for "No Kings" rallies against President Donald Trump's actions. Here's how organizers and authorities are preparing.

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.