Detectives have charged a man following a fatal stabbing of a teenager in Kings Park.

Maaka Hakiwai, 17, was killed and his brother Nate, 18, critically injured after receiving stab wounds following an altercation between the pair and a group of men on Main Road West about 2.30pm on September 28.

An 18-year-old Sydenham man has been charged with one count of murder, armed robbery and intentionally cause serious injury.

He has been remanded to appear at the Melbourne Magistrates Court tomorrow morning.