noun
gang assault; mob violence
Refers to physical violence committed by a group against one or more victims. Often used in news reports about street fights or organized attacks.
昨夜、駅前で集団暴行事件が発生した。
A gang assault incident occurred in front of the station last night.
noun
Specifically denotes sexual assault committed by multiple perpetrators. A serious criminal term.
集団暴行の容疑で男3人が逮捕された。
Three men were arrested on suspicion of gang rape.