Detectives from Tower Hamlets are releasing images of a man they want to trace in connection with the stabbing of a 16-year-old-boy in Bow.
Police were called at around 18:05hrs on Sunday, 1 April, to a male stabbed in the area of St Leonard's Street, E3.
Officers administered first aid prior to the arrival of London Ambulance Service (LAS).
The teenage boy was taken by the LAS to an east London hospital for treatment; he has since been discharged.
Six teenage males, two aged 15 and four aged 16, have been charged with GBH in connection with this incident.
Officers from Tower Hamlets CID continue to investigate and ask anyone who recognises this man to contact them.
Also, any witnesses or anyone with information is asked to call police on 101 or contact via Twitter @MetCC - please quote CAD 5293/01Apr.
To give information anonymously contact Crimestoppers on 0800 555 111 or online at crimestoppers-uk.org.