KUNMING, Aug. 29 (Xinhua) -- Four people have been confirmed dead and four others missing after a mudflow poured to a tunnel construction site carrying away a work shed in southwest China's Yunnan Province early Wednesday morning.

Local authorities in Pu'er City have sent rescuers to the project site of a branch of China Railway Engineering Corp. in Mojiang County.

The search continues, and more than 100 people have been evacuated from the area.