California Governor Gavin Newsom took to the airwaves Tuesday night — with federal troops stationed in his state’s largest city and immigration agents rounding up residents — and warned Americans that democracy itself was under attack from President Donald Trump.

The request from Homeland Security, confirmed by a Defense official, also seeks “drone surveillance support,” direction to troops on detaining or arresting “lawbreakers,” and graduates from an organization like the Marines’ School of Advanced Warfighting School for setting up a joint operation center.

Members of the L.A.P.D. in downtown Los Angeles. National Guard troops in riot gear surrounded a federal building. Protests started near a complex of federal buildings but spread to other areas downtown in the evening. Law enforcement officers were stationed around the federal complex all day.

The demonstrations coincide with a Flag Day military parade in Washington honoring the U.S. Army’s 250th birthday.

Maj. Gen. Scott Sherman said 500 National Guard members have been trained to accompany agents on immigration operations.

Protesters and police have faced off in Los Angeles, and anti-ICE protests are popping up across the country. Follow for live updates.

Trump deployed 4,000 National Guardsmen and 700 Marines to LA against the wishes of Newsom and Bass. Newsom sued the Trump administration, saying they unlawfully "trampled over" California’s sovereignty when they federalized the California National Guard.

A series of federal immigration raids across LA sparked heated protests in a few spots in the city. Here's where demonstrations and clashes are occurring.