SINGAPORE - A car overturned after an accident along Ang Mo Kio Ave 6 towards Lentor Avenue on Tuesday afternoon.

The Land Transport Authority confirmed the incident in a tweet at around 2pm.

The Singapore Civil Defence Force (SCDF) said the accident - which caused a massive traffic jam - involved four cars and one taxi, and took place at about 1.30pm.

A police spokesman added that four people, including a woman in her 20s and two men in their 50s, were sent, fully conscious, to Khoo Teck Puat Hospital. There were no fatalities.

Police investigations are ongoing.