The 64th edition of the Rolex 24 at Daytona has (slowly) reached the halfway point, but under adverse conditions. There's no rain, however, a dense fog has descended over the speedway and made visibility extremely low. Moisture is visible on the windows of every car in the field.<br>Just after 11 hours of racing, the full-course-yellow was displayed due to deteriorating conditions. During the ...<a class='more' href='https://www.autosport.com/imsa/news/daytona-24-hour-12-fog-halts-green-flag-running-as-porsche-remains-in-control/10792611/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>