Blinken heads to China amid wave of arrests of suspected spies in Europe

US Secretary of State Anthony Blinken is heading to Shanghai and Beijing for three days of talks with senior Chinese officials as US-China ties are at a critical point. His also visit also comes amid rising concern in Europe over Chinese espoinage with several suspected spies detained in Germany and the UK. Selina Sykes takes a look. Shona Bhattacharyya speaks to Steve Tsang, Director of the SOAS China Institute.