Police in Liverpool have appealed for help identifying a man who was found unconscious in the city on Saturday morning.
The man was found in Brunswick Road, Kensington, by passers by at about 0230 BST.
He was lying on the pavement opposite the entrance to the Erskine Industrial Estate in Trafalgar Way.
The man, who is aged about 40, was taken by ambulance to hospital with serious injuries, but police do not yet know how he suffered them.
Metal rings
He is described as white, sun-tanned, and possibly of Mediterranean origin.
He is 5ft 10 ins tall, of medium build, with short black, swept-back hair and brown eyes.
He was wearing cream corduroy trousers, a white Higgins shirt, brown Camel Active shoes, cream socks, blue underwear and a brown George belt.
He also wore a yellow and silver metal Rotary wrist watch and two yellow metal rings with red stones.