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

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.

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.

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,

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.

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

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.

Organizers of the “No Kings” demonstrations said millions had marched in hundreds of events. In Oregon, tens of thousands of people gathered in downtown Portland for two large protests -- one that began in Tom McCall Waterfront Park and the other at the Oregon Convention Center.

State leaders and law enforcement are bracing for a day of protest against President Trump’s immigration actions across Washington on Saturday.

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

According to estimates from law enforcement and event organizers, more than 100,000 people likely attended rallies in Seattle, Tacoma, Olympia.