In the Palace of sports "Yunost", in Chelyabinsk, during the concert of the popular band The Prodigy beat the guy almost to death. Several people took part in the fight.
In Chelyabinsk during a concert on the dance floor there was a real fight, which began with "slam" (special clashes between people during aggressive music).
Several sporting men attacked one young man who in the end received a very serious injury, and the person was simply mutilated.
nobody stopped the concert, and the police did not even pay attention to what was happening.
source https://apral.ru/2018/03/09/v-chelyabinske-na-kontserte-the-prodigy-izbili-parnya-do-polusmerti.html