Immigration tightening might only be temporaryChina News Jack Ma: Alibaba's founder turns up in Japan as college professorBrick Lane: Chinese political slogans appear on famous London streetHong Kong's exhibition centre axed booking for concert without reason, says proIceland violent volcanic flareVOX POPULI: LDP’s Nikai’s ‘expenditures’ on books must make libraries weepWhite House press secretary Karine JeanVOX POPULI: Leadership skills of the past are missing in the politics of todayPrincess of Wales: Data watchdog 'assessing' Kate privacy breach claimsUS Treasury Secretary Yellen visits China for high