The incident on Friday night where a woman was attacked on Winchester Road
Between 11pm and 11:15pm a woman in her thirties was attacked before she managed to get away, but the offender followed her and sexually assaulted the victim again near to Little Clarendon Street.
She sustained some minor injuries but did not require hospital treatment.
The offender is described as a man, approximately 40 to 50-years-old, around 5ft 7ins tall, of stocky or muscular build. He had short hair and spoke with an eastern European accent.
Investigating Officer, Detective Inspector Rachel Carter, based at Oxford police station, said:
“I would like to appeal to anybody who may have been in this area during this time and witnessed anything, or have any footage, to please get in touch”.