A three-car collision took place at the junction of Punggol Field and Edgefield Plains on the eve of Chinese New Year.
The accident involved a Mercedes Benz, a Toyota MPV and another black car.
The netizen took a video of the aftermath of the accident and told STOMP that it looked like the Mercedes was making a right turn into Edgefield Plains when it got hit by the MPV.
He said that he also saw ambulances and traffic police officers around the area.
The Singapore Civil Defence Force said that they were alerted to the accident on 21 January at about 9.15pm, with 2 persons conveyed to Changi General Hospital and another 2 persons sent to Sengkang General Hospital.
The Singapore Police Force also said that 2 male car drivers, aged 47 and 42. as well as their two female passengers aged 41 and 38, were sent to the hospital conscious.
At the time of writing, police investigations are ongoing.