A lorry mounted the pavement and hit three pedestrians in Selegie Road last Friday afternoon.
The police told The Sunday Times yesterday that they were alerted to the accident at 3.38pm.
The three pedestrians, aged between 21 and 57, were taken conscious to Tan Tock Seng Hospital.
A resident who lives nearby and gave his name only as Mr Zeng told Shin Min Daily News in a report published yesterday that he heard a loud bang, and when he went to a window to check, he saw a food delivery lorry on the pavement, and three people hurt.
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"Four to five residents and stall owners rushed there with a first-aid kit and bandaged a woman's head," he said. Another woman injured her right leg, while a man hurt his left arm.
Police investigations are ongoing.