Fifty Chinese students have left the UK in the past three years after Britain tightened its procedures to prevent the theft of sensitive academic research, the head of MI5 said in a speech about the espionage threat posed by Beijing.
Fifty Chinese students have left the UK in the past three years after Britain tightened its procedures to prevent the theft of sensitive academic research, the head of MI5 said in a speech about the espionage threat posed by Beijing.