Police are appealing for public assistance to help locate missing Lalor man Con Filipo.
The 87 -year-old was last seen leaving his Winslow Avenue home about 1pm on Thursday.
Con may be driving a grey 2013 Mazda 3 with registration ZTK-003.
Police and family have concerns for his welfare due to the length of time he has been missing.
Investigators have released an image of Con in the hope someone recognises him and can provide information on his current whereabouts.
Anyone who sees Con is urged to contact Mill Park Police Station on 9407 3333.