Thames Valley Police is appealing for witnesses following a robbery in Oxford.
Between 10.45pm and 11.15pm on Saturday (9/3) the victim, a 53-year-old man, was walking home when he was approached by two unknown men on Erica Close.
The offenders asked the victim to hand over his bag, when the victim declined to do so the two men threatened him with a knife before punching the victim and striking him with a glass bottle to the back of the head.
The bag and personal items were stolen including a phone and car keys.
The victim sustained injuries to his face and the back of his head. He attended the John Radcliffe hospital for treatment and has since been discharged.
The first offender is described as a mixed race boy, aged between 14 and 16-years old, around 5ft 5ins tall with curly dark hair. He is believed to of been wearing a dark coloured tracksuit.
The second offender is described as a mixed race man, in his early to mid-twenties, around 6ft tall with short shaved hair. He was wearing a hooded top.
Investigating officer Marie Doherty based at Oxford police station said: “This was a frightening and unprovoked attack in which two offenders have used violence to threaten the victim.
“I am appealing to anyone who may have witnessed this incident to please come forward.
“If you have any information, please get in touch by calling the non-emergency number 101, quoting ‘43190073674’ or make a report online.
“Alternatively, you can contact Crimestoppers anonymously on 0800 555 111.”