A mother in Nanjing, Jiangsu province, reported to police that her 14-month-old baby was attacked, after doctors removed a 5-centimeter-long needle from the boy's lung on Monday.

The baby, Lin Lin, began coughing and crying at his home in neighboring Danyang on Dec 29 and developed a high fever in the following days.

After several days of treatment with pills and injections at a local hospital, he was sent to Nanjing Children's Hospital for further examination.