Uber drivers, street vendors, fast-food workers and union activists arrived downtown by the busload on Monday to participate in a boisterous march and rally aimed at mustering the political power of low-wage employees in next year’s United States congressional elections.

On a hot and sticky morning, more than 1,000 workers and Service Employees International Union members blew whistles, banged drums and chanted, “If we fight, we win,” as they marched from the intersection of North Grand Avenue and West Cesar Estrada Chavez Avenue to Los Angeles City Hall.

Giving the noisy procession an approving nod, state Senate leader Kevin de León (D-Los Angeles), said, “On a Monday when the vast majority of Americans are relaxing by the pool or at the beach, this is a wonderful turnout.”

Service Employees International Union organizers said it was only one of many Labor Day events across the nation focused on mobilizing dissatisfaction with the Trump administration and lawmakers opposed to boosting the minimum wage — and unionization in general — and turning it into a collective vote at the polls.

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