13 injured in C China explosion

Photo taken on Nov 22, 2014 shows the site where a blast occurred at Dayongqiao community of Yongding District, in Zhangjiajie City of central China's Hunan Province. Thirteen people were injured after the explosion happened around 5 pm. The cause of the accident is under investigation. (Xinhua)

Thirteen people were injured after an explosion happened in a community Saturday afternoon in Zhangjiajie city of central China's Hunan Province, local authorities said.

The blast happened around 5 pm at Dayongqiao community of Yongding District. One residential building collapsed, and four others were damaged.

The injured people have been hospitalized, and three of them are in critical conditions. Local residents have been settled properly.

The cause of the accident is under investigation.