SINGAPORE - A Go-Ahead bus drove over the road divider along Pasir Ris Drive 1 on Sunday morning (Nov 10).

In a statement to ST, a Go-Ahead Singapore spokesman said it is undertaking an urgent investigation following the incident involving bus service 3.

"All commuters on board and our bus captain alighted safely from the vehicle after the incident and we are currently working to establish the cause," he said, adding that there were 15 passengers on the bus and all were uninjured.

The police were alerted to the accident at 7.31am and said that no injuries were reported.

They too are investigating the accident.

The Singapore Civil Defence Force (SCDF) were also called to the accident site near Pasir Ris West Plaza later on at 8.10am.

In one of the images uploaded onto the SG Road Vigilante - SGRV Facebook page, a bus can be seen on the grass divider with pieces of broken fence on the road.

Its front wheels are hanging off the ground as an elderly woman is being helped onto a wheelchair that is being wheeled down the ramp of the bus.