Nine people were killed and four others injured in a boiler explosion in an aluminium plant in Xiaoyi City in China's northern Shanxi Province.
Nine people were killed in the blast, state-run Xinhua reported on Friday. It is said that the four injured were still being treated in hospital, but their injuries were not life threatening.
Officials from the municipal government are investigating the cause of the blast, which happened at Yunfeng Aluminium Corporation in Yangquanqu Township on Thursday night.