LAPD said law enforcement arrested 38 people following the "No Kings" protests in downtown Saturday afternoon.

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 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,

President Trump has called for expanded deportation operations in Los Angeles after "No King Day" protests over the weekend and anti-ICE protests last week in response to ICE raids across Southern California.

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.

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.

Detectives believe the victim was at the demonstration as a bystander and “was not the intended target of the gunfire.”

Saturday marks the first full day of Marines on duty in Los Angeles, one week after protests against Immigration and Customs Enforcement raids ignited in LA and spread to other cities across the U.S.,