The blast took place in Hunan province on an expressway linking the counties of Yanling and Rucheng, when a vehicle was unloading explosives in the tunnel, state-run Xinhua reported.
Four workers have been pulled out of the tunnel.
The blast took place in Hunan province on an expressway linking the counties of Yanling and Rucheng, when a vehicle was unloading explosives in the tunnel, state-run Xinhua reported.
Four workers have been pulled out of the tunnel.
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First Published: May 19 2012 | 6:05 PM IST