Emergency services attended the scene, which was adjacent to the A413 London Road, Buckingham, yesterday evening, July 29. Thames Valley Police said the fire affected an area of around 200 metres by 200 metres and caused "extensive damage" to farmland, hedgerows and a number of hay bales. READ MORE: Investigation ongoing after reports of youths with weapons in High WycombeThe force added that the fire 'required the attendance' of eight fire engines. A spokesperson for Thames Valley Police thanked members of the public who assisted at the scene. They added: "Anyone with information relating to the incident is asked to contact Thames Valley Police quoting reference number 43260390535."