Spiritbox frontwoman Courtney LaPlante halted the band's recent concert in Phoenix, Arizona, after spotting a fan who was allegedly hurting people in the crowd.
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The incident took place during the band's July 15 performance while Spiritbox was touring alongside Nova Twins in support of Evanescence.
Although the moment happened more than a week ago, footage of the confrontation has only recently begun circulating online.
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As Spiritbox prepared to perform its final song, "Soft Spine," LaPlante suddenly paused the show after drummer Zev Rose drew her attention to what she described as "f**kery" in the crowd.
It remains unclear exactly what the fan was allegedly doing, but LaPlante made it clear she wanted the person removed before the concert could continue.
The 37-year-old insisted the band would not resume the performance until everyone in the audience was safe.
"So I need you guys to be tattletales — who's the f**king freak that's hurting everybody? Point them out," LaPlante said.
"Well guess what, f**ker? We all saw you, we know where you are and your ass is gonna get kicked the f**k out."
Courtney LaPlante Checks on Fan After Incident
After security intervened, LaPlante spoke directly to an audience member who appeared to have been caught up in the incident, checking that they were okay before apologizing for drawing attention to them.
"This isn't the damn gold medal karate match, okay? This is a rock 'n' roll show," she said, addressing the crowd.
The Spiritbox singer also urged concertgoers to learn from what had happened as security escorted the individual from the venue.
"Some dude was getting a little too violent up front. So they found him and kicked him out. Could see it from our seats lol," one fan wrote on social media.
Another alleged that the individual had intentionally "straight punched a couple of people" despite not taking part in any of the mosh pits.
The all-female-fronted tour featuring Evanescence, Spiritbox and Nova Twins began on June 11 in West Palm Beach, Florida.
The North American leg continues through Aug. 2, concluding in Clarkston, Michigan, before the tour heads to the United Kingdom and Europe in September.
