According to state-run news agency Xinhua, the suspect, a 23-year-old surnamed Kong, broke into the Dongcheng Kindergarten kindergarten and sprayed caustic soda (sodium hydroxide), quoted authorities of the city.
Fifty-one children and three teachers sustained burn injuries and were sent to the Kaiyuan People’s Hospital and the PLA 926 Hospital for treatment, Hong Kong-based South China Morning Post quoted the Kaiyuan Municipal Government as saying.
The condition of two children was stated to be serious, the report said.
The suspect was detained about 40 minutes after the attack, police said.
Initial inquiries indicated that the man was acting out of “revenge at society”, but the investigation was continuing, the report said.