Police are appealing for public assistance to help locate missing teen Shana Livingston.
The 15-year-old Hallam girl was last seen at her home address in Hinrichsen Drive about 9.45pm on Monday 28 January.
Police and family have concerns for her welfare due to her age and as she requires regular medication.
Investigators have released an image of Shana in the hope that some one may be able to provide information on her whereabouts.
Anyone who sights Shana or has information on her whereabouts is urged to contact Narre Warren Police Station on 9705 3111.