Police are investigating after a man was located unconscious in Sunshine West yesterday morning, Victoria Police say.
The 34-year-old man was located by police on Talintyre Road shortly after 1.10am on 30 July and transported to hospital.
He remains in hospital in a critical condition.
The exact circumstances regarding the incident are yet to be determined, however it is being treated as suspicious.
A man aged in his 30s has been assisting police with enquiries in relation to the matter, which is being investigated by the Homicide Squad.
Anyone with information regarding the incident is urged to contact Crime Stoppers.