Police in Waltham Forest have released a CCTV image of a suspected attacker.
Suspect 145189 is wanted in connection with grevious bodily harm (GBH) following an 'altercaton' in which a 21 year-old man was hit over the head with a glass bottle in Walthamstow.
The incident described by police as an unprovoked attack happened in Wood Street on March 15 at around 4:20pm.
Ambulance services were called to the scene and the victim was taken to an east London hospital where he was treeated for a head wound.
The CCTV image has been released to the Guardian as part of a joint venture to identify potential criminals of unsolved crimes in the borough.
Suspect 4905398/14 is dark-skinned, of medium build, and was wearing a distinctive black and beanie white at the time of the incident.
Anyone with information should contact Detective Constable Mills of Waltham Forest CID on 101 or call Crimestoppers anonymously quoting reference 145189.