Hazmat小组在Milwaukee的USPS对一封可疑信件作出了回应;没有发现危险材料。 Hazmat team responded to a suspicious letter at USPS in Milwaukee; no hazardous material found.

周五，密尔沃基消防局的危险品小组在接到一封带有未知粉末的可疑信件后，对市中心的 USPS 办公室做出了回应。 On Friday, the Milwaukee Fire Department's hazmat team responded to a downtown USPS office after a suspicious letter with an unknown powder was reported. 配备保护装备的消防员进行了测试,但没有发现任何危险材料。 Firefighters, equipped with protective gear, conducted tests but found no hazardous materials. 粉末被视为不危险,尽管其身份仍不明。 The powder was deemed non-dangerous, though its identity is still unknown. 这种情况正在接受刑事调查,但邮局在事后恢复了正常业务,在答复期间没有关闭任何道路。 The situation is under criminal investigation, but the post office resumed normal operations afterward, and no roads were closed during the response.