Unmanned helicopter used in police drill
Updated: 2011-09-09 13:59
(chinadaily.com.cn)
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An unmanned helicopter is used in a police anti-hijacking drill, part of an anti-terrorism drill held by the public security bureau of Guilin, South China's Guangxi Zhuang autonomous region, Sept 9, 2011. It was the first time the city's police used the unmanned helicopter in the drill. [Photo/Xinhua] |
