SINGAPORE - The police are investigating an accident on Wednesday, which involved an SMRT bus and three lorries and left four injured.

The Singapore Civil Defence Force and the police were both alerted to the incident at the junction of Yishun Avenue 7 and Sembawang Road at about 7.30pm. Pictures from the scene published in Chinese evening daily Lianhe Wanbao showed the public bus with its front end smashed in, and an elderly lady with head injuries.

Four people were sent to Khoo Teck Puat Hospital, three of them with minor injuries, said the SCDF. The Straits Times understands that the driver was one of the casualties, and the rest were bus passengers.

No arrest has been made, and the police said investigations are ongoing.