Police have released CCTV as they continue to investigate the circumstances surrounding a hit-run collision at Lyndhurst on Saturday 1 December.
Dandenong Crime Investigation Unit detectives understand two vehicles were driving north towards Dandenong along Glasscocks Road when the drivers became involved in an argument about 6pm.
The driver of a Volkswagen sedan and his passenger exited their vehicle and approached the second vehicle, believed to be a black SUV.
The 34-year-old driver of the Volkswagen sedan was struck by the second vehicle and taken to hospital with serious injuries.
He remains in a critical condition in hospital.
The black SUV left the scene and is yet to be located.
Along with the CCTV of a vehicle police wish to identify, detectives have also released a facial composite image of a man who may be able to assist with their enquiries.
The male driver is perceived to be of Pacific Islander appearance and was wearing a large straw hat.
Investigators are appealing for any witnesses who saw the collision or any driver who may have dash cam footage to contact Crime Stoppers on 1800 333 000 or they can file a confidential report at www.crimestoppersvic.com.au
