Amid a nationwide day of protest and following days of unrest in downtown Los Angeles, multiple simultaneous gatherings are expected to take place across Southern California on Saturday.

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 American Civil Liberties Union said over 5 million people participated in protests against the Trump administration on June 14.

Saturday's nationwide demonstrations against President Trump were largely about his alleged threats to democracy — but in communities like Miami, even Trump supporters decried his anti-immigrant crusade.

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,

NBC News' Jacob Soboroff reports from Los Angeles City Hall where thousands of protesters have gathered for a 'No Kings' protest against the Trump administration and ahead of the president's Washington D.

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.