Police wish to speak with the 19-year-old Shepparton man in relation to the incident.
Mr Sari is known to frequent the Shepparton, Epping, Bundoora, Northcote and Melbourne CBD areas, and was last seen in Tarneit.
Despite a significant search by the Homicide Squad, Fugitive Squad and local police, he is yet to be located.
Detectives believe he is actively avoiding police.
Mr Sari is described as being 183cm tall with a medium build, brown eyes and short dark hair.
Investigators have also released images of Mr Sari in the hope someone recognises him and can provide information on his current whereabouts.
Anyone who sees Mr Sari is urged not to approach him and contact 000 immediately.
Detectives are appealing for any of Mr Sari’s associates who may have information about his current whereabouts to also contact police.
Mr Sari is wanted as part of the investigation into an incident in Docklands on March 13 where Alier Riak was fatally stabbed and his brother Kuol was seriously injured.
Five people have been charged in relation to the matter with a range of offences including murder, violent disorder, affray and commit indictable offence while on bail.
The investigation into the incident remains ongoing.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report at www.crimestoppersvic.com.au
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