Protesters clash with supporters of Trump's military parade in Washington, D.C., as they disagree over the president's authoritarian intentions.

Coinciding with Trump's 79th birthday, the parade will feature tanks, bands and thousands of troops in honor of the Army’s 250th anniversary celebration.

The power of the US military will be sharply on display this weekend – on two different coasts and in two very different ways.

While many demonstrations against the Immigration and Customs Enforcement agency have been peaceful, with marchers chanting slogans and carrying signs, others have led to clashes with police who have sometimes used chemical irritants to disperse crowds. Hundreds have been arrested.

For more than two hours, 10,000 protesters coalesced in their anger against President Donald Trump and his policies to march peacefully through scorching Salt Lake City streets Saturday. They had cheered organizers’ urging for nonviolence and reveled in moments of unity as they walked,