3人遇难，山西垣曲一铜矿发生炮烟中毒事故

Core Viewpoint - The article highlights a tragic incident at the Luojiahe Copper Mine in Yuncheng, Shanxi, where a smoke poisoning accident occurred, resulting in three fatalities. It emphasizes the need for enhanced safety measures in mining operations to prevent similar accidents in the future [2]. Group 1: Incident Details - On July 15, 2025, a smoke poisoning accident occurred at the Luojiahe Copper Mine, leading to three deaths [2]. - The National Mine Safety Supervision Bureau reported that underground blasting can produce a large amount of toxic gases, especially in confined spaces with poor ventilation [2]. Group 2: Safety Recommendations - The article calls for mining companies to learn from this incident and implement stronger safety measures [2]. - It stresses the importance of ensuring compliance with safety protocols to prevent similar accidents from happening again [2].