About 50 U.S. Marines squared off against hundreds of protesters in front of a federal building in downtown Los Angeles on Saturday, with the crowd yelling in unison for them to go home.

Tens of thousands of Americans have marched through the US's major cities in a massive protest effort against Donald Trump, coordinated to counter his show-of-force military parade in Washington DC. The "No Kings" protests took place against a backdrop of intensifying fears of political violence,