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The second big freeze has hit and more bad weather's still to come.
The start of the Christmas getaway's already seen disruption thanks to the icy weather.
Easyjet cancelled all their flights to and from Gatwick between 6 and 10 o'clock this morning because of forecast snow.
Heathrow and Gatwick have been forced to close their runways on Saturday afternoon, and most of the UK's other main airports are experiencing disruption.
The advice is to check with your airline before leaving the house.
Stay with London's Heart for snow updates.