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.

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 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.

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.

No Kings is a nationwide protest organized in response to President Trump and his immigration policies. Here are live updates from Florida's rallies.

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

Fox News correspondent Jeff Paul has the latest on how Los Angeles is responding to potential violence at anti-Trump rallies on “Fox Report.”