The suspect in the accident which killed a woman and three children in Wainiyabia in Navua is admitted in the hospital.
He sustained serious injuries. Police say the victims were passengers in the car.
The family residing in Kinoya were travelling to Sigatoka to attend a social function.
Police say the suspect who is the woman's defacto husband was allegedly driving at a high speed when he failed to negotiate a bend resulting in the unfortunate accident.
The post mortem examinations of the four victims will be conducted soon.
Investigations continue.
