A five-year-old girl died of internal injuries and her seven-year-old brother had head injuries after they were hit by a taxi as they crossed Sembawang Drive on Wednesday night.
The children and their parents are from Mumbai. The accident occurred near Sembawang Primary School at about 8.20pm.
According to Chinese daily Lianhe Wanbao, the siblings were taken to a nearby clinic, before being sent to Khoo Teck Puat Hospital.
The girl died at the hospital. The boy was later transferred to intensive care at KK Women's and Children's Hospital (KKH) and was said to be in a stable condition