Badminton world No 1 An Se-young sent a warning for the Asian Games as she clinched her third China Masters title in a row in ominous fashion. South Korea’s reigning Olympic and world champion will defend her crown when the Asian Games begin on September 19 in Aichi-Nagoya in Japan. The 24-year-old will be overwhelming favourite after winning the China Masters on Sunday with a ruthless 21-17, 21-6 demolition of Tomoka Miyazaki in Shenzhen. An did not drop a game all week on the way to her...