Here’s what witnesses say happened before a Hamilton student was fatally stabbed

Devan Bracci-Selvey, 14, was stabbed in the back behind his high school on Oct. 7Shawn Wagar says he was hit with bear spray near Sir Winston Churchill Secondary School on Oct. 7, just moments before Devan Selvey was fatally stabbed. (Christopher Langenzarde/CBC) Lunch was over and students at Sir Winston Churchill Secondary School in Hamilton…