A mother and her baby daughter were found dead at the foot of Block 443B Fajar Road in Bukit Panjang on Wednesday (Nov 23) morning.
Police told The New Paper (TNP) they were alerted to the case at around 6.40am.
Officers found them motionless and paramedics pronounced them dead at the scene.
The mother was 29 years old while the baby was about three months old.
When TNP arrived at the scene, a neighbour said she had heard a loud sound in the morning.
Neighbours said they later saw a blue tent and a white canvas sheet covering the bodies.
Police have classified the case as an unnatural death.