At around 10 a.m. on June 1, Zhu Jun, the captain of the security team at the Lingling district post office in Yongzhou, Hunan province, entered an office on the fourth floor of the Lingling district court carrying an assault rifle and a handgun. He wildly opened fire on several judges who were studying a case. Three judges were killed and three others injured in the tragedy. Afterwards, Zhu Jun shot himself.
Source: http://www.jnlagua.com/thread-470-1-1.html