1 7 At 9: 40 am, an unemployed Beijing resident who came to Shanghai suddenly broke into a comprehensive office building in Zhabei District with a knife, stabbing several policemen and a security guard in succession, and was immediately arrested by the police on the spot. After the incident, Wu Zhiming, member of the Standing Committee of the Municipal Party Committee, secretary of the Political and Legal Committee of the Municipal Party Committee, Zhang Xuebing, assistant to the mayor and director of the Municipal Public Security Bureau, and other leaders went to the scene to direct the treatment and disposal of the wounded.

After preliminary investigation, the suspect is Yang, male, 28 years old, from Beijing. On the morning of the same day, after setting fire outside the office building, Yang stabbed a security guard to death, suddenly broke into the office space in the building and attacked the police who were working, causing nine policemen to be injured, and five of them died after being sent to the hospital for rescue.

According to Yang, he was dissatisfied with the fact that 5438+00 was examined by Zhabei Branch on suspicion of stealing bicycles in June 2007. In order to retaliate against the police, he committed a crime.

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