I can't imagine how her natural parents could treat her this way,' sentencing Deputy Magistrate Raymond Wong said.

Lee admitted causing bodily harm and causing unnecessary injury to his daughter and was jailed for two years and three months.

Yip pleaded guilty to causing unnecessary injury to her daughter and was jailed for two years, plus another four months for breach of a previous drug probation order.

The court heard the child had been in foster care for the first two years of her life but was then put in the care of her parents after assessments by the Social Welfare Department.