
The collapse of a high-profile espionage case involving alleged Chinese spying has sparked intense scrutiny in the UK, raising questions about the government’s handling of national security and its economic relationship with China.
MI5 Director General Sir Ken McCallum expressed frustration over the failure to prosecute two British men accused of passing sensitive information to Beijing between 2021 and 2023, emphasizing that Chinese state operatives pose a daily threat to UK security.
McCallum revealed that MI5 had actively disrupted Chinese activities of national security concern in the past week, though he provided no specifics.
He described the collapse of the case as “frustrating” but noted that MI5’s intervention achieved a “strong disruption” in protecting national interests.
The Crown Prosecution Service (CPS) dropped charges against former parliamentary researcher Christopher Cash and academic Christopher Berry last month, citing insufficient evidence to establish China as a national security threat at the time of the alleged offenses.
Both men have denied any wrongdoing.
The decision has fueled accusations from opposition leaders, including Conservative MP Kemi Badenoch, who claimed the government prioritized economic ties with China over security.
Prime Minister Keir Starmer rejected these allegations, stating that the CPS operates independently and that the case hinged on the previous Conservative government’s stance, which did not label China as an enemy.
Witness statements from Deputy National Security Adviser Matthew Collins highlighted China’s “large scale espionage” but also noted the government’s commitment to positive economic relations with Beijing.
Parliamentary committees, including those chaired by Labour MPs Emily Thornberry and Matt Western, have launched inquiries to investigate the CPS’s decision and potential political interference.