WARNING: GRAPHIC CONTENT. Victoria Police are hunting an attacker who they say seriously beat a 33-year-old man with a torch in St Kilda East early Sunday morning.

A delivery driver was working in Wilgah Street when he was approached by an unknown man about 3.40am who verbally abused the victim before assaulting him.

The driver was punched to the head and bashed with a torch, police said.

View photos The victim received serious head injuries and remains in hospital after the assault. Photo: Victoria Police More

View photos CCTV of the scene where a man seriously beat a 33-year-old delivery driver with a torch in St Kilda East early Sunday morning. Source: Victoria Police More

The offender left the victim, from Point Cook, lying unconscious on the road and fled the scene.

The victim received serious head injuries and remains in hospital.

View photos The offender is described as Caucasian in appearance, aged 25 to 35-years-old, with brown hair with a pale complexion, missing teeth and was wearing black rim glasses. Source: Victoria Police More

The offender is described as Caucasian in appearance, aged 25 to 35-years-old, with brown hair with a pale complexion, missing teeth and was wearing black rim glasses.

Port Phillip Crime Investigation Unit detectives are investigating and have released a digital image of a man that may assist with their enquiries.

Anyone who witnessed the assault or who has information is encouraged to contact Crime Stoppers on 1800 333 000 or use the online reporting page.