but the sheriff’s office later said that was not the case.
officials said. 据森林湖消防队长Mike Gallon说。
凌晨4:30发生了泄漏， about 40 miles (65 kilometers) north of downtown Chicago. Authorities ordered residents within a 1-miles radius to stay inside and close their windows. Area schools were closed for the day. ， including seven who are in critical condition，有关机构已要求液体泄漏附近1英里范围内的居民关好窗户，但事后该地治安官办公室表示并没有交通事故， A chemical leak that caused a toxic plume to hang for hours over a northern Chicago suburb Thursday sickened dozens of people，附近的学校当天都已关闭， but the sheriff’s office later said that was not the case. The cause of the leak has not been released. 此次泄露导致有毒气体滞留在海滩公园镇长达数小时， The leak created a toxic cloud that lingered for several hours over Beach Park，据报道，待在室内，而油罐车发生泄漏的原因尚未公布， Lake Forest Fire Chief Mike Gallo said a tractor was towing two separate two-ton containers of anhydrous ammonia when the leak occurred around 4:30 a.m. Initial reports suggested the vehicle was involved in a crash，最初的报告表示油罐车发生了交通事故，当时一辆油罐车运着两个装有2吨液氨的容器。