Homicide Squad detectives have arrested a second person today as part of their investigation into the death of a man in Kurunjang last week.
A 22-year-old Harkness man was released from hospital today and is currently being interviewed by police.
The arrest follows an incident in Kurunjang on Friday, 20 December where a man was fatally injured.
Emergency services were called shortly after 7pm to reports of a brawl between a group of people on McBurnie Drive.
An 18-year-old Kurunjang man was treated at the scene however passed away a short time later.
A 15-year-old Harkness boy was charged yesterday with murder in relation to the incident and will face a children's court at a later date.
Police will allege the incident was targeted and the people involved were known to each other.
The investigation remains ongoing.
Anyone with information about the incident is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au