The body of a 50-year-old man was pulled from the Rochor Canal yesterday.
When The Sunday Times visited the scene at about 1pm, the body was covered by a blue police tent near the Immigration and Checkpoints Authority of Singapore building in Lavender.
Officers later carried a black body bag onto a police van parked in Crawford Street.
The Sunday Times understands that the dead man is an Indian Singaporean.
The body was discovered at a quieter part of the canal.
Police said they received a request for assistance at 10.20am yesterday.
"Upon police arrival, it was established that a body of a man was found floating in the canal," a spokesman said.
"The body was subsequently retrieved from the river and the man was pronounced dead by paramedics at the scene."
Police are investigating the case as an unnatural death.