Two people have died after separate collisions on the state's roads on Saturday.
A 16-year-old Barwon Heads girl died after the car she was in rolled a number of times at Gellibrand in south-west Victoria just after 2.30pm.
Police say the driver, a 20-year-old Clifton Springs man, lost control of the Nissan 4WD in Frys Road near Colac-Lavers Hill Road.
He and a female front-seat passenger were taken to hospital with minor injuries.
The driver has since been taken into police custody.
A male passenger of a station wagon died in hospital after a separate collision in South Geelong.
Police say the white Holden Commodore station wagon collided with a Toyota LandCruiser ute at the corner of Barwon Terrace and Bellerine Street just before 2.30pm.
A Warrnambool man, 36, was taken to hospital where he died a short time later.
No one else was injured.
Police are seeking witnesses to both collisions.
The deaths bring the state's road toll to 211, compared with 247 for this time last year.
Anyone with information should call Crime Stoppers on 1800 333 000.