Hong Kong’s welfare chief has defended a “professional” call by doctors and social workers to return a 12-year-old girl to the flat where her mother had just jumped to her death, hours before the child also killed herself. A registered clinical psychologist said the girl should have been moved to a relative’s home immediately, instead of going back to the flat where her mother’s suicide took place. Sources said that the woman, a 48-year-old government social worker with no record of mental...