Photo taken on Dec. 1, 2013 shows the scene of the fire accident in Prato, Italy. At least four Chinese people were killed and six others were injured in a factory fire in central Italy on Sunday, local media reported. (Xinhua/Alberto Lingria) 
 

Firemen extinguish the fire in Prato, Italy, Dec. 1, 2013. At least four Chinese people were killed and six others were injured in a factory fire in central Italy on Sunday, local media reported. (Xinhua/Alberto Lingria)

Rescuers work at the factory which got fire in Prato, Italy, Dec. 1, 2013. At least four Chinese people were killed and six others were injured in a factory fire in central Italy on Sunday, local media reported. (Xinhua/Alberto Lingria)

Firemen work at the factory which got fire in Prato, Italy, Dec. 1, 2013. At least four Chinese people were killed and six others were injured in a factory fire in central Italy on Sunday, local media reported. (Xinhua/Alberto Lingria)

Photo taken on Dec. 1, 2013 shows the scene of the fire accident in Prato, Italy. At least four Chinese people were killed and six others were injured in a factory fire in central Italy on Sunday, local media reported. (Xinhua/Alberto Lingria)

Firemen extinguish the fire in Prato, Italy, Dec. 1, 2013. At least four Chinese people were killed and six others were injured in a factory fire in central Italy on Sunday, local media reported. (Xinhua/Alberto Lingria)