United Auto Workers President Shawn Fain called Kamala Harris a "fighter" for the working class and denounced Donald Trump as a "scab," a term that applies to workers who cross picket lines and defy union actions.
WATCH LIVE: 2024 Democratic National Convention Night 1
Fain's remarks led to chants of "Trump's a scab" by the crowd at the Democratic convention.
"It's getting hot in here, folks," Fain said, referencing a song by musician Nelly, before removing his suit jacket to show a T-shirt that read, "Trump is a scab. Vote Harris."
The backing of the UAW could be crucial for Democrats seeking to erode Trump's superior margins among white voters without college degrees who identify as blue-collar.
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