9 killed, 6 injured in China steel plant explosion Photo taken on May 15, 2012 shows the explosion site at the Shaoguan Steel Co. Ltd. in ...

9 killed, 6 injured in China steel plant explosion

Photo taken on May 15, 2012 shows the explosion site at the Shaoguan Steel Co. Ltd. in Shaoguan, south China's Guangdong Province. (Xinhua/Chen Yehua)

Workers stand besides a warning line at the explosion site of the Shaoguan Steel Co. Ltd., south China's Guangdong Province, May 15, 2012. (Xinhua/Chen Yehua)

An injured worker receives medical treatments in a hospital of Shaoguan, south China's Guangdong Province, May 15, 2012. (Xinhua/Chen Yehua)

An injured worker receives medical treatments in a hospital of Shaoguan, south China's Guangdong Province, May 15, 2012. (Xinhua/Chen Yehua)

The explosion occurred at the Shaoguan Steel Co. Ltd. in Shaoguan, south China's Guangdong Province at about 3:48 p.m. as workers from the Shanghai subsidiary of China MCC5 Group Corp. were installing facilities at the Shaoguan Steel Co. Ltd., the Shaoguan municipal government said in a press release.

Nine people were killed and six injured in the explosion. Vital signs of the injured workers are stable.