A pedestrian in his 60s died after he was hit by an SBS Transit bus outside Toa Payoh bus interchange on Thursday morning (Jul 7).
The 36-year-old bus driver has been arrested in relation to the case, the police said, adding that investigations are ongoing.
SBS Transit said that they are assisting the police with investigations.
"We are very saddened and sorry that this has happened," said Ms Tammy Tan, Senior Vice President, Corporate Communications, SBS Transit. "Our immediate priority is to get in touch with the family of the deceased and to render assistance. We are also assisting police with their investigations.
"We apologise to affected commuters and motorists for the delays and inconvenience caused," she added.
The accident took place along Toa Payoh Lorong 6 towards Braddell Road. The Singapore Civil Defence Force said they were alerted to the accident at 6.19am, and that the man was pronounced dead at the scene by paramedics.
The Land Transport Authority tweeted about the incident at 7.37am, saying that an accident had taken place at Toa Payoh Lorong 6, near the junction of Lorong 1 and Lorong 2.
"Spotted a very serious traffic accident just outside the Toa Payoh Bus interchange that involved buses and car, I think and the stretch of road is closed to traffic," wrote Facebook user Dawn Chan earlier on Thursday morning.
The SBS Transit bus involved in the accident was towed away at about 9.20am, according to a Channel NewsAsia reporter at the scene.