Police are seeking public assistance to locate a 69-year-old man missing from Toowoomba.

Donald Robertson, pictured, was last seen travelling on foot along Cavell Street in East Toowoomba at approximately 1.30pm today, November 13.

He has not been seen or heard from since.

Police have serious concerns for his welfare as he has a medical condition which causes extreme confusion.

Donald is described as Caucasian in appearance, approximately 175cm tall with a proportionate build, a grey beard, and grey hair.

He was last seen wearing a Bunnings straw hat, blue jeans, and a blue, long-sleeved checkered shirt.

Police believe he may be travelling on foot in the North Toowoomba, Queens Park, North Point or Prince Henry Heights areas; nearby residents are urged to check their properties.

Anyone who has seen Donald is asked to immediately contact police.

Missing man towoomba region