A young man was set upon by three men 'armed with weapons' in an 'unprovoked' attack in Banbury.
Thames Valley Police is appealing for information in connection with the incident of grievous bodily harm.
The man was assaulted by three white men inside and outside a property in Gillett Road at about 10.30pm on Thursday.
The victim sustained a one inch puncture wound to his upper left arm.
He was treated at hospital but has since been discharged.
Investigating officer, Detective Constable Joseph Stevenson said: “We are conducting a thorough investigation into this unprovoked attack on a young man.
"We are talking to local residents to take witness statements as well as obtaining and reviewing CCTV.
“However, we need help from the public to find the perpetrators, therefore if you have any footage such as CCTV or dash cam then please contact the force."
He added: “If you have any information which could assist us then please leave the details on our website, using the reference 43200142680.
“If you do not have access to the internet, please call the non-emergency number 101.
“If you have information but would prefer to remain 100% anonymous then please contact the independent charity Crimestoppers on 0800 555 111.”
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