Air passengers in the South East were facing delays and cancellations due to early morning fog.
Gatwick, Heathrow and London City airports were affected by the poor weather, with British Airlines having to cancel seven flights from Heathrow.
London City airport said, "Due to low visibility this morning, flights to and from London City Airport are experiencing disruptions. Passengers are advised to contact their airlines for more information."
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Monday night's weather for the east of the region
Monday night's weather for the west of the region