The former brother-in-law of slain Hong Kong socialite Abby Choi Tin-fung has insisted in court that the model was “not in a position” to blame him for her strained relationship with his family before her alleged murder, citing their friendship and his contribution to her children’s upbringing. Anthony Kwong Kong-kit on Tuesday portrayed himself as having “a rather special existence” between the two families, saying that he had been a “very good friend” of the model before he joined his father...