Aviation police send suspicious Zeng to a loca hospital for a medical check-up in Wuhan, central China's Hubei Province Friday, September 29, 2006. Zeng threatened to hijack and bomb the Shanghai-Chengdu passenger plane Airbus A340 he boarded, forcing an emergency landing at Wuhan's Tianhe Airport. No explosives or other banned objects were detected. Zeng, who is said to be suffering from psychological problems, was sent to a local hospital for a medical check-up. [newsphoto]

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