Police are investigating an assault in Carlton on Sunday morning that left a Hoppers Crossing man injured.
It is believed the man was assaulted after attempting to break-up a fight in Argyle Place South between a group of men about 2.15am on June 16.
A 29-year-old Hoppers Crossing man sustained a non-life-threatening injury.
Two men who were reported to have been victims of the initial fight refused to make statements about the incident.
Ten people were arrested and later released pending further enquiries.
Anyone with any information is urged to contact Crime Stoppers on 1800 333 000 or online at www.crimestoppersvic.com.au