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.

The tens of thousands of "No Kings" protesters who hit the streets across the nation this weekend were vibrant and vocal but largely peaceful, with perhaps the biggest gathering drawing an estimated 30,

The organized opposition was timed for the day President Trump is hosting a rare U.S. military parade in Washington that's taking place on his 79th birthday.

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 protests were timed to Flag Day and Trump's 79th birthday as he held a military-style parade to celebrate the Army's 250th anniversary in Washington, D.C., featuring tanks, so

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.”

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,