Twenty-two miners were trapped following a coal mine accident in China's Shandong province, authorities reported on Sunday. The miners were trapped after a rock burst on Saturday night inside the mine in Yuncheng district, reports Efe news.

According to the authorities, the ventilation system inside the mine has started functioning again and rescue operations were underway. In August, 13 miners were killed in a mine explosion in southern China. Chinese mines, especially coal mines - the country's main source of energy -, have a high accident rate and are among the most dangerous in the world, although in recent years the number of fatal accidents has fallen significantly.