WATCH: Hundreds of Black Kids and Teens Brawl During St. Louis Suburb’s ‘6-7 Event’ at Trampoline Park, Butcher Knife Seized from 12-Year-Old Girl Who Ubered in to Join the Mayhem

A family-friendly “6-7 Event” at the Sky Zone trampoline park in a quiet St. Louis suburb descended into mayhem on Sunday, when more than 300 unaccompanied juveniles and teens showed up, overwhelmed the venue, and sparked at least eight separate fights. The chaos spilled into nearby businesses, with gangs of minors damaging property, threatening employees and customers, and prompting a large police response.