Maribyrnong Crime Investigation Unit detectives are investigating after two men were stabbed in Footscray earlier in the week.
It is believed the victims were having a conversation in a store on Paisley Street, about 4.45pm on Monday, October 9, when they were approached by an unknown man.
Officers believe that the man produced a knife from his jacket and in an unprovoked attack stabbed both victims.
Police have been told the man then fled the scene on foot.
A 37-year-old Hoppers Crossing man was taken to hospital with serious injuries.
A 39-year-old Greenvale man was treated at the scene for minor injuries.
Investigators have released images and CCTV footage of a man they believe may be able to assist with their enquires.
It is believed that the man is in his twenties, is approximately 175cm tall with dark coloured hair and dreadlocks. He was wearing a dark coloured baseball cap with white writing, a denim jacket over the top of a dark hooded jumper, dark coloured pants, white shoes and was carrying a dark bag.
Details to: Crime Stoppers on 1800 333 000 or www.crimestoppersvic.com.au.