3人私自进入封闭矿硐身亡，当地挂牌督办

Group 1 - The Yunnan Provincial Safety Production Committee has decided to conduct a special supervision on the incident in which three villagers entered a closed mine shaft in Baijixun Township, Diqing Prefecture, leading to their deaths [1][3] - The incident occurred on August 22, 2025, when three villagers unlawfully entered a closed mine shaft, resulting in fatalities [3] - The Yunnan Provincial Safety Production Committee has mandated the Diqing Prefecture People's Government to establish an investigation team to thoroughly investigate the incident, determine the cause, and hold responsible parties accountable [3]