Police are appealing for help missing Mernda teen Joshua McCracken.
The 13-year-old was last seen in Waterwheel Grove, Mernda on Tuesday at 8am.
Family and police hold concerns for Joshua due to his age and as he has medical conditions.
Joshua is known to frequent the Doreen, Mernda, Thomastown, Lalor and Reservoir areas.
He was last seen wearing black tracksuit pants, a black hooded jumper and black runners.
He is Caucasian with a slim build and short, light brown hair.
Anyone who sees Joshua is urged to contact Mernda police station on 9216 1200.