4 killed in coal mine accident in central China

Four people were killed in a coal mine accident in Lengshuijiang City, central China's Hunan Province, on Friday, local authorities said Saturday.

Report informs via Xinhua that the accident took place at around 8:30 p.m. Friday and the rescue operation ended at around 2 a.m. Saturday.

An investigation into the cause of the accident is underway.