A man has died after falling into a two-metre-deep manhole near Hoi Tat Estate in Cheung Sha Wan in the early hours of Tuesday.
Police said they received a report from a security guard of the estate, who found the 63-year-old inside the drain.
Officers believe the man lost his balance as he was trying to retrieve a wallet that he had dropped inside the drain.
He died after being taken to Caritas Medical Centre.
Officers said they were still trying to ascertain the cause of his death.