Police are searching for a man who was last seen leaving the Great Western Hospital.
Andrew Dorman, 74, spotted headed towards the A419 at around 11.15am today (Thursday).
Wiltshire Police say they are “very concerned for his welfare”.
He is thought to be wearing black or grey formal trousers, with a dark shirt and a zip up hoodie.
It’s said that he may appear confused if approached.
If you see him, please call police on 999 – giving his location and direction of travel if possible.