By Xinhua
Chongqing (China) : At least 13 people were killed in an explosion in a coalmine in southwest China, local sources said Friday.
The incident occurred at 5:15 a.m. Friday at the Gaoqiao coal mine in Nanchuan district. No further information was immediately available.
A task force headed by vice mayor Zhou Mubing rushed to the scene and the cause of the accident was under investigation.