The injured e-scooter rider was taken to Ng Teng Fong General Hospital by SCDF, after the accident at the junction of Jalan Anak Bukit and Jalan Jurong Kechi.
The accident happened at Clementi Road and Commonwealth Avenue West junction and all the injured taxi passengers along with two drivers were taken to National University Hospital.
The accused was once spared and sent to Institute of Mental Health for killing his brother-in-law but he was sentenced to life imprisonment for murdering another man in a coffee shop.
Under the Misuse of Drugs Act, most of the drug trafficking offences carry a minimum of 5 years jail term with 5 strokes of the cane and a maximum of 30 years and 15 strokes of the cane.