Police have released CCTV footage of a man they want to speak following a robbery in Retford.
A man was kicked and punched in the head as he walked home from a night out at around 3.30am on Saturday, October 8.
He was left unconscious and his wallet had been stolen from him.
The man in the video is white, of a slim build, around 30 years of age with short dark blonde hair and facial hair. He was wearing a white t-shirt, dark coloured jeans and dark trainers.
If anyone has any information that can help, call Nottinghamshire Police on 101, quoting incident 137 of 8th October.
Alternatively, call Crimestoppers anonymously on 0800 555 111.