TAIYUAN, Dec. 30 (Xinhua) -- Five people were killed in a coal mine accident in north China's Shanxi Province on Sunday, local authorities said Monday.

A landslide occurred around midnight in a coking coal mine owned by the Datong Coal Mine Group Co., Ltd. in the city of Shuozhou, trapping six people, said the city's publicity department.

Those trapped in the mine were rescued and sent to a local hospital after the accident. Five of them died in the hospital and the other is in stable condition.

An investigation into the cause of the accident is underway.