One worker was killed and six others injured after a chemical tank blasted in Nanjing, capital of east China's Jiangsu Province, on Sunday.

The explosion took place at 1:50 PM at the Dingshan Fine Chemicals Factory. Fire fighters rushed to the site to put out the ensuing fire.

The six injured workers are hospitalized and are currently in stable condition, factory officials said.

The blast of the isobutene tank did not cause pollution to the environment, said Cong Yuezi, head of the city's work safety bureau.

Investigation into the cause of the blast is under way.

(Xinhua News Agency February 5, 2007)