Recent violent attacks at schools in China

China has seen a slew of recent assaults at schools. Many have been blamed on personal grudges or people with psychiatric problems:

- May 12, 2010: A man with a cleaver hacks seven children and two adults to death at a kindergarten in Hanzhong city in Shaanxi province. He then kills himself.

- April 30, 2010: A farmer attacks and wounds five kindergarten students with a hammer in Shandong province's Weifang city before burning himself to death. The man also strikes a teacher. None of the children has life-threatening injuries.

- April 29, 2010: A 47-year-old unemployed man attacks 4-year-olds in a kindergarten in Jiangsu province, wounding 29 of them. Two teachers and a security guard are also hurt.

- April 28, 2010: A teacher on sick leave due to mental illness breaks into a primary school in Leizhou city in Guangdong province in southern China and stabs 18 students and a teacher.

- April 12, 2010: Yang Jiaqin, 40, hacks to death a second grader and an elderly woman near an elementary school in Xizhen village of the southern Guangxi region. Yang's family was scheduled the next day to send him to a hospital for psychological treatment for a mood disorder.

- March 23, 2010: Zheng Minsheng, 42, kills eight children in a knife attack at the Nanping Experimental Elementary School in south China's Fujian province. Zheng is executed April 28.

- March 2, 2009: Xu Ximei, 40, hacks a 4-year-old and a 6-year-old to death with a kitchen knife and wounds three others and a grandmother at a primary school and nearby yard in Mazhan, a village in Guangdong province. Xu was believed to be mentally disabled.

- Feb. 24, 2008: Chen Wenzhen, a former student at the Leizhou No. 2 Middle School in Guangdong province, stabs to death a boy and a girl, then kills himself. Chen had dropped out because he suffered from headaches and could not concentrate on his studies.

- June 13, 2007: A man identified only by his surname, Su, breaks into the Chiling Primary School in Longtang township in Guangdong and kills a 9-year-old boy with a kitchen knife. Three other students are seriously wounded. The attacker had quarreled with the boy's parents.

- May 24, 2006: Yang Xinlong hacks a neighbor to death in the village of Luoying in central China's Henan province, then takes 19 elementary school students hostage and kills one. Police shoot him when he refuses to surrender.

- Nov. 25, 2004: Yan Yiming, 21, breaks into a Chinese high school dormitory and stabs nine boys to death in Ruzhou, Henan province. Yan's mother turns him in to police after he attempts suicide on the day following the attack. He is executed two months later.

- Aug. 4, 2004: Xu Heping, 51, a part-time gatekeeper at a Beijing kindergarten kills one student and slashes 14 others and three teachers. Xu had a history of schizophrenia. The attack, near the compound where President Hu Jintao and other Chinese leaders live and work, prompted the government to increase security at schools nationwide.

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Source: AP, Xinhua News Agency reports