According to San Diego police, an estimated 60,000 protesters showed up downtown for the morning events, marching along Harbor Drive and Pacific Highway. Organizers placed the figure higher, at 80,000.

Elon Musk posted a cryptic message about the "No Kings" protests after activists took to the streets across the U.S. over the weekend.

The parade, honoring the Army’s long-planned 250th anniversary celebration and coinciding with Trump’s 79th birthday, is set to step off from the Lincoln Memorial under the threat of stormy weather in Washington and protests around the country tied to a turbulent week of immigration enforcement that has involved military deployment in Los Angeles.

Driver hits San Francisco protesters in ‘possible intentional act’ - Day of action comes after week-long protests in Los Angeles against Trump’s hard-line immigration policies and ICE raids on immigra

Texas police say there are more than 10,000 people in attendance at the Capitol for Saturday's 'No Kings' protest. Follow for live updates.