Police have interviewed two teenage boys as part of their ongoing investigation into a fatal stabbing in Sunshine on May 18.
An 18-year-old from Burnside attended a police station on Friday, May 19, where he was interviewed and released pending further inquiries.
Police also interviewed and released a 17-year-old Caroline Springs boy who was arrested in Braybrook on Friday.
Police are continuing to search for a third teenage boy believed to be involved in the incident and are urging him to come forward and make contact with police.
Police were called to Station Place about 3.45pm on Thursday, after reports a male had been stabbed.
The 16-year-old Melton South boy was treated by paramedics but died at the scene.
A 16-year-old Sunshine North boy was taken to hospital with minor injuries.
Investigators are yet to establish the exact circumstances surrounding the incident and the investigation is ongoing.
Anyone with information can contact Crime Stoppers on 1800 333 000 or at www.crimestoppersvic.com.au.