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A father has faced criticism - and won praise - over the radical way he disciplined his son after the boy kicked his younger brother in the head.
Paul Lee tied up his son and made him lay face down on the floor as he invited the bullied sibling to get his revenge.
After restraining the boy with a martial arts black belt, the dad turned to his youngest son and told him he could kick his brother in the back of the head or free him.
Video of the dad's unusual method of discipline has split opinion on social media, where some users have accused him of creating a divide between the siblings or causing unnecessary trauma.