“I know his father and I know his grandfather,” Mr Ahmadi said. “His grandfather is a tribal elder in the village and the village is under the control of the Taleban. His grandfather said some good things about the government and he formed a small group of people to stand against the Taleban.

“That’s why the Taleban killed his grandson in revenge.”…

The killing of children to punish their parents has chilling echoes of western mafia-style violence. Under Pashtunwali, the complex and ancient honour code of the Pashtuns, it is likely to spawn generations of vendettas and blood letting.