Millions are expected to join demonstrations across the United States on Saturday, as protesters denounce the president's authoritarian drift amid a prolonged government shutdown.

Advocacy groups prepare for the "No Kings" rallies in the U.S., calling for government accountability and public vigilance under the Trump administration.

More than 2,500 protests against the administration are expected on Oct. 18. Organizers expect it to be the largest day of protest in U.S. history.