A relative state of calm in Los Angeles began to crumble early Sunday afternoon as demonstrators confronted federal authorities guarding a downtown detention facility where chaos erupted as National Guard soldiers deployed tear gas on an increasingly agitated crowd.

Donald Trump’s decision to deploy the National Guard and Marines to Los Angeles is “unlawful, unconstitutional, and undemocratic,” Nevada Attorney General Aaron Ford and 17 other Democratic state attorneys general said in a statement Wednesday.

The Pentagon’s deployment of about 700 Marines to Los Angeles to help the National Guard respond to immigration protests follows weeks of rapid developments in President Donald Trump’s signature domes