A 15-YEAR-OLD boy armed himself with two knives and chased his mum’s ex-partner out of her Great Harwood house.

Blackburn magistrates heard the boy later posted the knives through the letterbox of his mother’s house.

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Gareth Price, defending, said he was motivated by previous violence towards his family.

The boy, who cannot be named for legal reasons, admitted possessing a bladed article in a public place. He was made subject to a youth rehabilitation order for 18 months and a two-month curfew.