Beijing, March 7: At least 12 miners have been confirmed dead and another was injured after a gas outburst occurred in a coal mine in China's Jilin Province on Sunday, rescuers said on Monday. The rescue work ended on Monday morning, after rescuers brought the one injured to hospital while confirming the other 12 trapped miners dead, reports Xinhua. The accident occurred around 11.20 a.m. on Sunday in Songshu Mine owned by Tonghua Mining Industry Co. Ltd. in the city of Baishan. A total of 316 rescuers aided with 46 medical workers joined the rescue, local authorities said. The cause of the accident is still under investigation.