Nearly a week on, the 66-year-old has not been seen again, despite search parties, helicopters and appeals assisting in the urgent investigation. READ MORE: Vape and betting shops in Oxford set to be limitedThe latest update from Thames Valley Police, which continues searching, was released on Tuesday, August 11. Missing woman (Image: Thames Valley Police)A spokesperson for the force said: "More than 200 officers and staff from across Thames Valley Police have been involved in the search for Caroline, supported by the National Police Air Service and specialist volunteers from Lowland Rescue Oxfordshire. "Search activity continued throughout the weekend, with officers carrying out extensive rural searches and enquiries across a number of locations. "Uniformed officers remain in the area as we continue our efforts to locate Caroline and follow up all available lines of enquiry."