Passengers bed down in Heathrow after flights cancelled
Passengers in Terminal 5 at Heathrow Airport have bedded down to wait, after many flights were cancelled or delayed due to fog.
Clear skies and light winds: The perfect recipe for fog
Clear skies and light winds are a recipe for fog to develop, so allow extra time to defrost your car and check before you travel.
What's behind the current cold snap?
It's another bitterly cold day today. It's all down to where the air originates from - and today's can be traced back to Russia.