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ZHENGZHOU, July 19 (Xinhua) -- An explosion took place Friday at a workshop of a gas plant in the city of Yima, Henan Province, causing multiple injuries.
The accident happened around 5 p.m., and the injured are sent to the hospital, according to a government source of Sanmenxia City, which administers the city of Yima.
The exact number of casualties remains unknown.
Investigation is underway.
