KUALA LUMPUR, April 26 -- Police are tracking down a woman suspected of abusing her three-year-old son in an incident in Batu Caves recently.

Gombak police chief ACP Noor Ariffin Mohamad Nasir said a report was lodged yesterday by the child's grandmother, who lives in the same house.

Preliminary investigations found the incident occurred in early March at about 8 pm, when the complainant heard the child crying and suspected he was being abused by his mother.

"The suspect is a local woman and the child's biological mother. She is not married, and the motive is still under investigation," he said in a statement today.

The child has been taken for medical examination, which is ongoing.

Police are actively tracing the suspect to assist i...