Police are appealing for public assistance to help locate missing Wandin North teenager Aislin Clarke.
The 15-year-old was last seen at home on Warburton Highway about 8.30am this morning.
Police and family have concerns for her welfare due to a medical condition that requires medication.
Aislin has dark blonde hair and a fair complexion.
She was last seen wearing a black beanie, grey top, tracksuit pants and ugg boots.
Police have released an image of Aislin in the hope someone knows of her current whereabouts.
Anyone who sees Aislin or has information on her whereabouts is urged to contact Lilydale Police Station on 97392300.