Thames Valley Police are appealing for witnesses following an incident of grievous bodily harm, which occurred on the Aylesbury Road near to the Esso Roundabout in Thame at around 7pm on Thursday. The victim, a man in his seventies, was assaulted and sustained a fractured hip and cut leg. He was taken to hospital for treatment, where he remains. The offender is described as a man of large build with slicked back blonde or light coloured hair and wearing a hi-vis jacket and shorts. He was seen getting away from the scene in a small white Hyundai car. Anyone who saw the incident or has any information which may be of help, is asked to contact the police on their 101 number or call Crimestoppers on 0800 555 111.