On April 8, Shandong Jinan Public Security Changqing Branch issued a briefing:At about 18:00 on the 7th, a criminal case occurred in the Changqing Campus of Shandong Jiaotong University, killing one person. The criminal suspect was arrested by the public security organs. Currently, the case is under further investigation.

According to previous media reports, on the evening of April 7, some netizens posted a video saying that a deliberate wounding case occurred on the campus of Shandong Jiaotong University. Someone entered an office with a knife and injured a teacher.