JINAN, Nov. 20 (Xinhua) -- At least 11 people were trapped underground after a coal mine accident in the city of Jining, east China's Shandong Province, local authorities said Wednesday.
The accident occurred at around 5:50 a.m. Wednesday at Liangbaosi coal mine in Jiaxiang County. The coal mine has an annual production capacity of 3 million tonnes.
Rescue work is under way. ■