MI5 has issued a public warning to British lawmakers, indicating that they are targeted by spies from China, Russia, and Iran, who are trying to undermine democracy.

MI5 has warned members of the British Parliament that there are threats from spies from China, Russia, and Iran, who use methods such as blackmail and phishing to obtain information. The warning comes after the abandonment of the case against two Britons accused of espionage in favor of China, due to lack of evidence. MI5 advises politicians to be cautious of strange interactions and to protect British democracy. It also reminds of the case of lawyer Christine Lee, accused of political interference on behalf of the Chinese Communist Party.