The death toll from a gas explosion at a coal mine ‌in northern China’s Shanxi province has jumped to 90, state media CCTV reported ​on Saturday.The gas explosion occurred late on Friday at the Liushenyu coal mine in Qinyuan county, with 247 workers on duty underground, state ​media Xinhua reported earlier in the day.Chinese president Xi Jinping called for ⁠authorities to “spare no effort” in treating the injured ‌and ‌conducting ​search and rescue operations, while ordering a thorough investigation into the cause of the incident and ⁠strict accountability in accordance ​with the law, according to ​Xinhua.Premier Li Qiang echoed the instructions, calling for timely and ‌accurate release of information and ​rigorous accountability.Rescue operations were continuing and the cause of ⁠the incident was under investigation, ⁠according ​to the local emergency management authority in Qinyuan.China has significantly reduced coal mine fatalities – often caused by gas explosions or flooding – since the early 2000s through more stringent regulations and safer practices. The Liushenyu incident, though, was one of the deadliest reported in China in ‌the past decade.Executives ⁠of the company responsible for the mine have been detained, Xinhua reported.Earlier Xinhua had reported only eight ‌dead, with more than 200 people brought safely to the surface. It ​did not explain the jump in the death ​toll. – Reuters