A British court convicted two men associated with the Hong Kong Economic and Trade Office of spying on activists for Chinese authorities. The case highlights scrutiny of the role of Hong Kong's overseas offices.

A British court has convicted two men linked to an Hong Kong Economic and Trade Office (HKETO) of spying on activists from the city on behalf of Chinese authorities. Bill Yuen Chung-biu, the London office’s manager, and Peter Wai Chi-leung were found guilty of assisting a foreign intelligence service on Thursday, two years after their arrests thrust the role of Hong Kong’s overseas promotion offices into the global spotlight. Yuen, a retired Hong Kong police superintendent, was earlier accused.....