美国运载化学品列车脱轨 有毒气体泄漏

Group 1 - A train operated by CSX Corporation derailed near the Kentucky-Tennessee border, carrying hazardous chemicals, including molten sulfur, which caught fire, prompting evacuation orders for nearby residents [1] - The incident occurred near Trenton, Kentucky, approximately 100 kilometers from Nashville, Tennessee, affecting around 350 residents [1] - The derailment involved about 30 train cars, and firefighters managed to control the fire by noon [2] Group 2 - Local officials reported that air quality tests indicated no public health risk following the incident [2] - The U.S. has experienced multiple derailments involving hazardous materials in recent years, including a notable incident in February 2023 involving Norfolk Southern Railway in East Palestine, Ohio, which raised concerns among local residents [2]