From the BBC World Service: China\u2019s C919 jetliner is being showcased at the Singapore Airshow. Its Beijing-backed manufacturer is hoping the plane will be a challenger to Airbus’ A320 and Boeing’s 737 Max. Then, doctors in South Korea are striking in protest at plans to train more physicians. And in Spain, the northeastern region of Catalonia has been suffering a record-breaking drought, and a state of emergency has been declared.