Sent_en: 2zh According to a police official authorities had taken the threat seriously, even though no dangerous substances had been found on board the plane, and passengers had not been in danger.
Sent_yy: 据一名警方官员说，当局认真地对待了这次威胁，尽管机上并未发现危险物质，而且乘客也没有遇到危险。