第三間香港媒體收到來自英國可疑信件 內含不明粉末

英文原標題：Third Hong Kong media outlet receives suspicious letter with unknown powder from UK

英文原摘要：A third Hong Kong media outlet has received a suspicious letter containing unknown powder sent from the UK, marking the second consecutive day of such incidents. Online media outlet Orange News said in a Facebook post on Thursday that its office received the letter, which purported to be a tip-off f