Tochigi Nasu town avalanche accident that killed 8 people; 3 teachers leading the charge sentenced to 4 years in prison. Seven years ago, high school students and others were caught in an avalanche during climbing training for a club activity in Nasu Town, Tochigi Prefecture, resulting in eight people being killed.

A teacher and three others are facing charges of professional negligence resulting in death or injury. Prosecutors requested a four-year prison sentence, arguing that the training was carried out carelessly and the negligence was serious.