Saturday was a big day in the United States, as demonstrators marched in cities across the nation.<br />Tens of thousands of demonstrators marched in Washington, D.C. and elsewhere to demand an end to racism and police brutality.<br />Now in its twelfth day, the wave of protests was triggered by the killing of black man George Floyd in Minneapolis.<br />The protest in the nation’s capital was shaping up as the largest of the marches seen this week.<br />They've continued despite the risks still posed by the coronavirus, which has ravaged the country over the past two months and still presents a deadly threat.