A student killed one person and injured three others with a knife on Tuesday at Pingdingshan Finance and Economics School in central China's Henan Province, local police announced Thursday on their official Weibo account.

The suspect, a student enrolled in the university, has been arrested. All three injured have been hospitalized and are in stable condition, according to a CCTV reporter. 

Preliminary investigations revealed that the suspect committed the crime due to personal grudges with other students. The case is being handled by local police.