Moreland Crime Investigation Unit detectives are appealing for public assistance following a serious assault in Fawkner on Saturday 29 February.
Investigators have been told an unknown man assaulted the male victim at a McBryde Street address following a minor dispute over damaged property about 2am.
The unknown man punched the victim multiple times in the face before fleeing the scene in a taxi with an unknown woman.
The 42-year-old victim sustained serious facial injuries during the incident and was transported to hospital.
Investigators have released images of a man they believe will be able to assist with their enquiries.
He is perceived to be Caucasian in appearance, 170 - 180cm tall, with a thin build and dark blond hair.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or file a confidential report at www.crimestoppersvic.com.au