Police say 22 children and one adult have been injured in a knife attack outside a primary school in central China. A police officer says the attack in the Henan province village of Chengping happened shortly before 8 a.m. Friday as students were arriving for classes. The officer says the attacker, 36-year-old local villager Min Yingjun, is now in police custody. The officer declined to give her name, as is customary among Chinese civil servants.

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