Police have released a CCTV image after a man was knocked unconcious outside a Lancaster pub.
Officers were called at around 7.30pm on Thursday 17 March to reports of a fight outside the Penny Bank pub in Penny Street.
A 36-year-old man was found unconscious on the floor and had sustained a deep cut to his head.
He was taken for treatment at Royal Lancaster Infirmary.
DC Gill Topping of Lancaster CID said: “The victim sustained a nasty wound to his head and our enquiries are on-going to trace whoever is responsible.
“We would like to speak to the man pictured in connection with the attack and I would urge anyone with any information that could assist our investigation to get in touch as soon as possible.”
Anyone with information can contact Lancaster CID on 01524 596559 or they can call 101 quoting log 1404 of 17th March.