The 37 students are said to be slightly injured while the two adults were more heavily injured.
The single attacker has been detained by the police. The suspect is said to be a security guard of the same school. No further information is provided about the attacker. The investigations are underway.
The alleged attacker is identified as fifty-year-old security guard of the school named Li Xiamin.
According to an official report, the 37 students suffer from minor wounds. The two adults injured included the principal and a guard who are said to be seriously injured.
Eight ambulances were immediately rushed to the school and all injured were transferred to the local hospital. Non of the injuries were life threatening.