Police are appealing for public assistance to help locate a missing 11-year-old boy from Malvern East.
Mustapha, who has autism, was last seen at an address on Dandenong Road about 7.30pm this evening.
Police and family have concerns for his welfare due to the amount of time he has been missing.
He was last seen wearing dark blue pyjama bottoms with orange carrots and a grey long sleeve top with a picture of a rabbit on it.
Investigators have released an image of Mustapha in the hope someone knows of his current whereabouts.
Anyone who sees Mustapha or has information on his whereabouts is urged to contact Prahran Police Station on 9520 5200.