<p>The attacker, who was armed with a knife, burst into the unnamed kindergarten in Shandong's Zibo city Tuesday afternoon, the Hong Kong-based Information Centre for Human Rights and Democracy quoted a local police official as saying.<br /><br />The attacker later surrendered to police, Hong Kong newspaper Ming Pao reported.<br />Chinese state media did not immediately report the incident, which is the latest in a series of attacks at schools and kindergartens in China this year.<br /><br />At least five similar attacks have been reported, resulting in the death of dozens of children and several teachers.<br /><br />Following the earlier attacks, the government ordered a review of security at schools, while state media have discussed possible underlying causes of the attacks.<br /><br />"Apart from adopting forceful security measures, we also need to focus on addressing some deep-rooted causes behind these problems, including handling some social contradictions, resolving disputes and strengthening the role of grassroot mediation," Premier Wen Jiabao told Hong Kong-based Phoenix TV in May.</p>
<p>The attacker, who was armed with a knife, burst into the unnamed kindergarten in Shandong's Zibo city Tuesday afternoon, the Hong Kong-based Information Centre for Human Rights and Democracy quoted a local police official as saying.<br /><br />The attacker later surrendered to police, Hong Kong newspaper Ming Pao reported.<br />Chinese state media did not immediately report the incident, which is the latest in a series of attacks at schools and kindergartens in China this year.<br /><br />At least five similar attacks have been reported, resulting in the death of dozens of children and several teachers.<br /><br />Following the earlier attacks, the government ordered a review of security at schools, while state media have discussed possible underlying causes of the attacks.<br /><br />"Apart from adopting forceful security measures, we also need to focus on addressing some deep-rooted causes behind these problems, including handling some social contradictions, resolving disputes and strengthening the role of grassroot mediation," Premier Wen Jiabao told Hong Kong-based Phoenix TV in May.</p>