7月26日下午，甘肃省定西市渭源县双石门景区因短时强降雨引发山洪灾害[2][3]。山洪致部分露营游客被困[1][4]。截至26日21时15分，240人被解救[2]，其中10人遇难、23人受伤[2][3]。
救援工作迅速展开。甘肃省消防救援总队调集305名消防指战员、68辆消防车、4头搜救犬赶赴现场[2]。救援队伍组成15个搜救组，采取"人+机械+犬"组合模式同步推进[2]。累计投入铲车、挖机等机械设备164辆，专业救援人员1000余名[2]。同时，国家防总和应急管理部派出工作组赶赴现场[3]，启动防汛四级应急响应[3]。此外，甘肃省委书记胡昌升、省长任振鹤第一时间赶赴现场指挥救援[2]。
定西市气象台于7月26日10时30分发布暴雨黄色预警[2]。
A sudden mountain flood devastated a scenic area in Weiyuan County, Dingxi City, Gansu Province on July 26 after intense rainfall triggered the disaster.[1][2][3][4] The flooding occurred at the Shuangshimen scenic area at 1:40 p.m.[2] and left camping tourists trapped in the affected zone.[1][4]
As of 9:15 p.m. that day, the death toll had reached 10, with 23 others injured.[2] Rescue operations managed to extract 240 people from the area by that time.[2] Emergency response teams mobilized extensively, with the National Fire and Rescue Administration dispatching 305 firefighters and 68 fire trucks to the scene.[2][3] The rescue effort employed a combined approach using personnel, mechanical equipment, and search dogs, organized into 15 search and rescue teams.[2] In total, 164 pieces of machinery including excavators and bulldozers were deployed, alongside over 1,000 professional rescue personnel.[2]
Provincial authorities responded swiftly to the crisis. The National Commission for Flood and Drought Relief initiated a Level IV flood emergency response.[3] A weather alert for heavy rain had been issued by the Dingxi Meteorological Bureau at 10:30 a.m. on July 26.[2]