Thames Valley Police is appealing for information following an incident of affray in Banbury.
At 4.45pm on Sunday, October 27, a man was seen acting aggressively near the caravan site on Station Approach. He was believed to be in possession of a knife.
It is believed a number of people may have been in the area at the time and seen the man.
Anyone with information is asked to contact PC Barry Duplock from Banbury police station on 101.