Police are appealing for public assistance to help locate missing Albanvale man, Gill.
The 78-year-old was last seen at home about 8.30pm Tuesday evening.
Police hold concerns for Gill due to a medical condition.
Images of Gill has been released in the hope someone may recognise him and provide information on his current whereabouts.
Gill is described as Caucasian in appearance, a thin build and grey balding hair.
He was last seen wearing blue jeans, a green tee shirt, a brown zip-up jacket and wearing glasses.
Anyone who sees Gill or with information is urged to contact Keilor Downs Police Station on 9365 3333.