Thousands are expected to turn out for "No Kings" rallies against President Donald Trump's actions. Here's how organizers and authorities are preparing.

With reporting by Alex Garland Crowds were measured by the mile Saturday as demonstrators marched from Capitol Hill’s Cal Anderson Park in Seattle’s contribution to a weekend of

Seattle Police prepare for "No Kings" protests against a military parade on Trump's birthday. They aim for peaceful management and will only act if necessary.

In a joint press conference Friday morning, city, state, and county leaders called on protesters to remain peaceful during protests.

Those millions included an estimated 200,000 people in Los Angeles, 100,000 in Philadelphia, 70,000 in Seattle and over 50,000 in New York.

As nationwide “No Kings” demonstrations approach Saturday, the Seattle Police Department issued a public message outlining how officers plan to support protest activity in the city.

Saturday’s anti-Trump protests have largely wound down across the U.S.—and most official events appear to have wrapped up without much controversy or violence. “In one of the largest protests in Seattle history,

Millions marched in cities across the U.S. on Saturday as part of the nationwide "No Kings" demonstrations, according to event organizers

Protests against President Donald Trump’s administration took place on Saturday in hundreds of cities across the U.S., including several in Seattle and Washington state.

Tens of thousands marched down 5th Avenue, with no reports of property damage, according to the Seattle Police Department. It was over 1.5 miles of people.