SINGAPORE - New video footage has emerged online showing the events leading up to an accident involving a SBS Transit bus and four motorcycles at Pasir Panjang Road last Thursday (July 20) morning, and the bus captain has been suspended.

In the video posted on Beh Chia Lor - Singapore Road's Facebook page on Tuesday (July 25), the bus is seen knocking down the motorcyclists while they were waiting at a traffic light.

It then continues driving ahead even though the lights are red.

Speculation was rife among netizens in the Facebook post's comments section over what could have caused the bus driver's actions.

"The bus captain has been suspended pending findings," Ms Tammy Tan, SBS Transit's senior vice-president of corporate communications, told The Straits Times on Tuesday afternoon.

The accident, which occurred at around 11am near the Labrador Outdoor Adventure Centre, resulted in two motorcyclists and a pillion rider aged between 23 and 39 being taken to hospital.

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All three have since been discharged.

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Ms Tan said SBS Transit's priority is the well-being of the two injured motorcyclists and a pillion rider.

"We were at the hospital that day following the incident and all three of them received outpatient treatment," she said. "We will continue to render assistance to them as best we can.

"We apologise to affected commuters and road users for the distress caused. Meanwhile, we are assisting the Police with their investigations."

Police investigations are still ongoing.