The demonstrations, part of the 50 protests, 50 states movement known as 50501, have been planned by various progressive organizations for weeks, with the left-leaning group Indivisible helping organize the Reno and Carson City gatherings.

Despite triple digit heat, thousands gathered in Downtown Las Vegas for the nationwide “No Kings” rally against the Trump administration and presidential overreach on Saturday.

Police in Minnesota are cautioning residents to avoid “No Kings” protests after two state lawmakers and their spouses were shot early Saturday

As a military parade rolls through Washington, DC, on Saturday – President Donald Trump’s birthday – millions of Americans are expected to protest in what organizers predict will be the strongest display of opposition to Trump’s administration since he took office in January.

NBC News' Jacob Soboroff reports from Los Angeles City Hall where thousands of protesters have gathered for a 'No Kings' protest against the Trump administration and ahead of the president's Washington D.

Despite peaceful demonstrations reported in multiple cities, violence flared at some anti-Trump protests over the weekend.