WARNING : GRAPHIC CONTENT . Child left with horrific scars by adopted mother over homework she set him . Biological mother had sent her son to live with cousin for a better life . Adoptive mum now in custody after incident that sparked outrage in Nanjing .
WARNING : GRAPHIC CONTENT . Child left with horrific scars by adopted mother over homework she set him . Biological mother had sent her son to live with cousin for a better life . Adoptive mum now in custody after incident that sparked outrage in China .