A 31-year-old woman was charged on Monday with the murder of her nine-year-old son last Saturday.
Rebecca Loh Chui Lai is alleged to have caused the death of Gabriel Loh Zhen Jie at Block 704 West Coast Road between 6.08pm and 7.03pm.
The boy, who attended a special school, was unconscious when the police arrived. He died subsequently at National University Hospital.
The bespectacled Loh, who has short hair and was clad in a red polo shirt and blue bermudas, was remanded for psychiatric observation.
She will appear in court again on June 24.
If convicted of murder, she faces the death penalty.