A convicted murderer has failed to return to jail following leave.
John McDermott Wilson, 50, was expected back at HMP Gateside in Greenock, Inverclyde, on Friday.
The prisoner, serving a life sentence for murder after he was convicted in 1991, was last seen outside Glasgow's Central Station at around 4pm.
A police statement said: "Officers have been carrying out extensive inquiries to trace Mr Wilson, but attempts to locate him have so far proved unsuccessful. If you see John Wilson, do not approach him but contact police.
"Anyone who has seen John Wilson or who has information or knowledge as to his whereabouts is asked to call officers at Greenock police office on 101."
The absconder is described as around 5ft 5in, of medium build, with brown, thinning hair, blue eyes and is clean shaven. He has a small scar on his lower lip.
When last seen he was wearing a blue jacket, grey sweatshirt, blue t-shirt, jeans, black boots and a black beanie hat.