Wrestling with mounting financial difficulties and the challenges of caring for a child with autism, Hong Kong mother Chau Ting-ting found herself struggling several years ago with thoughts of ending her life.The 30-year-old recalled on Thursday that her son Ziyi, now five, began displaying symptoms consistent with autism when he was two years old. Counsellors advised her to send the boy to a nursery to increase his contact with other children his age.“But when I went to the nursery, I saw...