U.S. Attorney Bill Essayli confirmed to NBC4 on Friday that federal agents were serving a search warrant in Los Angeles’ Fashion District for alleged fictitious employee documents.

The Los Angeles police chief could not put an exact number on how many protesters were expected on Saturday but said at a news conference that his department was “fully prepared.”

Federal agents raided multiple Los Angeles businesses, including Home Depot stores, detaining dozens and drawing criticism from local officials and immigrant rights advocates.

Thousands of protestors march through downtown Los Angeles in solidarity with the No Kings on Saturday, June 14. Mexican flags and banners denouncing the federal immigration raids that have occurred throughout Southern California this week,