Caroline, whose surname has not been released, was last seen on Shilton Road in Burford, West Oxfordshire, at about 2am on Wednesday, August 5. More than 60 hours later, police are still searching for the 66-year-old woman and are trying to establish where she was last seen, and helicopters from the National Police Air Service have been assisting in searching the area. "We hope that someone may recognise her, remember seeing her, or have information that could help our enquiries. "The support from the local community has been invaluable, and we continue to appeal for anyone who may have seen Caroline, or who recalls anything unusual during those early morning hours, to come forward." Anyone with information should contact police quoting reference number 43260403808, and anyone who sees the missing woman is asked to call 999.