Police are appealing for public assistance to help locate missing Epping teenager Zhyon Ah Chookoon.
The 15-year-old was last seen at a festival in Craigieburn about 8pm on Saturday evening (9 March).
Police and family hold concerns for Zhyon as his disappearance is out of character.
He is described as 180cm tall with a medium build, brown eyes and short dark hair.
Anyone with information is urged to contact Epping Police Station on 9409 8100.