This article originally appeared on EW.com.
The band, whose latest album, Revolution Radio recently debuted at No. 1, took the stage to perform “Bang Bang,” the lead single off the collection.
Then, in the middle of the song, they began a chant, singing “No Trump, no KKK, no fascist USA!” over and over again.
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Earlier this month, Green Day performed at the MTV EMA Awards, where they accepted the Global Icon Award, and made a slight but poignant adjustment to their 2004 hit song, “American Idiot.” Lead singer Billie Joe Armstrong sang, “Can you hear the sounds of hysteria?” before adding now president-elect Donald Trump’s name to the next line. “The subliminal Trump America.” (The original line is “The subliminal mind f— America.”)
During an interview with Kerrang in August, Armstrong also compared Trump to Hitler. “I don’t even know how else to explain it,” he said. “I wish I were over-exaggerating. And sometimes maybe I do over-exaggerate with Bush. But with Trump, I just can’t wait ‘til he’s gone.”