Ros Atkins On… Four reasons why the relationship between the UK and China is strained
This week, Yang Tengbo was identified as a 50-year-old Chinese businessman and was banned from entering the UK on suspicion of espionage.
This raises questions about an issue that multiple British governments have been grappling with – Britain’s relationship with China.
As the Chancellor prepares for a New Year’s visit to China, BBC Analysis Editor Ross Atkins looks at why relations between the two countries have become so tense.