GUIYANG, April 6 (Xinhua) -- Nine miners were trapped underground and 32 others were lifted out of shaft safely after a flooding occurred in a coal mine Saturday in southwest China's Guizhou Province, local authorities said.

Forty-one miners were working underground when the accident occurred early Saturday morning at Yunda Coal Mine in Weng'an County, the county government said.

The cause of the accident is under investigation.