Freezing fog shrouds southern England as mercury falls to ZERO in London

Visibility could drop to less than 100m as large swathes of England wake up to foggy patches this morning. The Met Office has issued a weather warning stretching from the South coast to Hull. https://www.dailymail.co.uk/news/article-9025419/Freezing-fog-shrouds-southern-England-mercury-falls-ZERO-London.html?ns_mchannel=rss&ns_campaign=1490&ito=1490