A 16 year old boy was stabbed and hit with a metal bar during an attack by a group of four men in Aylesbury on Sunday 6th November 2016.
The incident happened at about 5.55pm in Aqua Way, Aylesbury.
After attacking the boy the men left the scene in a vehicle which could have been a white or silver Vauxhall.
The offenders are believed to be Asian. One was wearing a red bandana, and another was wearing a black bandana.
The victim was taken to hospital for treatment for his injuries.
Det Con Chris Downs, of Aylesbury Force CID, said: ‘This was a violent attack in which a 16-year-old boy has been stabbed and hit with a metal bar.
Our officers will be in Aylesbury carrying out enquiries into this investigation, and a thorough investigation is taking place.
I would like to speak to anyone who witnessed this attack, or who has any information which they think could be relevant to our investigation.
Anyone who has any details should contact Thames Valley Police via the non-emergency number 101.‘
If you do not want to speak directly to the police you can contact the independent charity Crimestoppers anonymously on 0800 555 111. No personal details are taken, information is not traced or recorded and you will not go to court.