Several pupils were attacked outside a primary school in northern China on Thursday.
Police said the incident took place in Fengrun district in the city of Tangshan, Hebei province, at about 1.30pm. It was not clear how many pupils were wounded or how their wounds were inflicted.
According to video footage obtained by the South China Morning Post, a suspect was arrested by police next to a pool of blood on the ground.
He could be heard saying, "Beat me to death, just beat me to death", in the video.
Police officers named the suspect as Cui Zhenjiang, 54, of Fengrun.
Pupils involved in the attack were taken to hospital for treatment of non-life-threatening injuries, officials said.
Police said investigations were ongoing.
This article was first published in South China Morning Post.