Police have issued CCTV pictures and an e-fit, right, five months after a bottle attack in Witney.
Two 18-year-olds were injured in the incident in Lowells Place at about 10.45pm on June 25.
The offender is described as black, about 5ft 7ins tall, of stocky build with a moustache and stubble on his chin.
He was wearing a lemon lightweight sports-type jacket and jeans.
Call Dc Grahame Lea on 101, or Crimestoppers anonymously on 0800 555111 if you have any information.