15-year-old boy charged for planning attack on Lyon high school

A 15-year-old boy has been charged for preparing an attack on Colbert High School in Lyon.

Published 7sem2 sources✓ ConfirmedImportantupdated 7sem

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Investigators found knives, military gear, and a chain to block doors at his home.

He was placed in pre-trial detention on Friday, September 18.

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Auto-synthesis from 2 media sources · identified on September 20, 2026