Fearless Hong Kong martial artist shows heart of champion in bid for black belt despite disabilities

In a Hong Kong community hall where dozens of taekwondo athletes are doing their weekly training, a 26-year-old woman, who uses a wheelchair due to a mystery disease, breaks a small wooden board in half with just one forceful punch. Chan Ka-man is fearless in many ways. Not only has she been fighting a life-changing medical condition over the past few years – one that doctors are unable to diagnose – she is also battling for the highest rank in taekwondo, a black belt. This is...