TAIYUAN -- Six miners died and five were rescued from a flooded coal mine in North China's Shanxi province, said rescue headquarters early Wednesday.

The rescue operation ended in the early hours on Wednesday. The five survivors are receiving medical checkups and treatment.

Eleven miners were trapped when the flooding occurred at 11:40 pm Monday in a pit of Dongyu Coal Mine in Qingxu county near Taiyuan, capital of the coal-rich province.

The cause of the flooding is under investigation. The coal mine is owned by the privately run Shanxi Meijin Energy Co Ltd.