SINGAPORE, Oct. 18 -- Passengers onboard a SMRT bus were forced to alight at Punggol after the back of the vehicle started emitting smoke yesterday evening.

A video posted on social media shows more than 10 passengers getting off the vehicle calmly at a bus stop after Punggol Road. Some of them can be seen going back into the bus to tap their EZ-Link cards.

The incident is believed to have occurred on SMRT bus service 110, which plys the Buangkok-Changi Airport route, as a few passengers were also seen carrying luggages.

According to Lianhe Zaobao, the incident took place at a bus stop near the junction of Tampines Expressway (TPE) and Punggol Road.

After watching the video, some netizens wondered if the bus model is a Mercedes-Benz C...