Detectives in Hackney are appealing to identify a man they wish to speak to in connection with a violent assault.
The incident happened on Thursday, 13 April at about 19:45hrs in the Three Crowns Public House, East Road, N1
The 27-year-old victim was playing darts with a friend when, in violent and totally unprovoked attack, the suspect picked up a pint glass from the bar and smashed it into the victim's face.
The male victim received a wound to the left side of his face, which required a number of stitches at hospital.
The incident was captured on CCTV, but extensive enquiries have failed to identify the suspect.
The suspect is a white male, aged in his late 30s and about 5ft 8ins.
Any witnesses or anyone with any information is asked to call detectives at Hackney CID on 101 or contact via Twitter @MetCC.
To give information anonymously contact Crimestoppers on 0800 555 111 or online at crimestoppers-uk.org.