China has announced that it has uncovered a British spy whom it accused of passing on state secrets.

The Ministry of State Security stated on Monday that it had discovered that the head of a foreign consultancy was spying for the United Kingdom’s MI6 intelligence service. It is the latest in a series of recent accusations traded between Beijing and London.

The Chinese spy agency announced the detection of the espionage on its WeChat social media account. It stated that MI6 had used foreigner Huang Moumou to collect secrets and information.