Debbie Sullivan, responsible person of the public relations department of the AkzoNobel plant, receives interview after the fire at the AkzoNobel plant in the Texas city of La Porte, the United States, March 4, 2013. A fire broke out at a chemical plant Monday afternoon in the U.S. state of Texas, officials said. (Xinhua/Song Qiong)

Workers return to the AkzoNobel plant after the fire in the Texas city of La Porte, the United States, March 4, 2013. A fire broke out at a chemical plant Monday afternoon in the U.S. state of Texas, officials said. (Xinhua/Song Qiong)

Workers return to the AkzoNobel plant after the fire in the Texas city of La Porte, the United States, March 4, 2013. A fire broke out at a chemical plant Monday afternoon in the U.S. state of Texas, officials said. (Xinhua/Song Qiong)

Firemen work at the AkzoNobel plant in the Texas city of La Porte, the United States, March 4, 2013. A fire broke out at a chemical plant Monday afternoon in the U.S. state of Texas, officials said. (Xinhua/Song Qiong)