A gas explosion at the Liushenyu coal mine in Shanxi province, China, has left at least 90 people dead and several others trapped. Reports indicate that carbon monoxide levels had exceeded safe limits prior to the blast, which occurred while approximately 247 workers were underground. Rescue operations are ongoing, though efforts are hampered by the steep slope of the mine entrance. Local authorities have detained company executives as an investigation into the cause of the disaster and safety failures begins.
