Chinese Foreign Ministry. The Foreign Office and the Chinese Embassy in the UK have recently received numerous reports of Chinese nationals being detained and subject to lengthy questioning by British border officials, and mobile phones and other electronic devices being confiscated. China expresses serious concern about the arbitrary and excessive actions and has lodged an official protest. China will do its utmost to protect the personal safety and legitimate rights and interests of Chinese citizens. Chinese citizens planning to travel to the UK are advised to carefully read the notices issued by the Chinese Embassy in the UK. Chinese threat.