Police are appealing for public assistance to help locate missing man Rudolph.
The 87-year-old Kensington man was last seen on Boundary Road in North Melbourne at 5pm.
He is described as having an average build with short grey hair and is clean shaven.
He was wearing a black t-shirt and black pants, carrying a black suit jacket.
Rudolph uses a walking frame and has hearing aids.
Police and family have concerns for his welfare due to medical conditions.
Police have released images of Rudolf in the hope that someone can provide information on his current whereabouts.
Anyone who sights Rudolf or has information on his whereabouts is urged to contact Melbourne North Police Station on (03) 8379 0800.
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