Aerial footage of snow hit Heathrow
18 December 2010 Last updated at 14:41 GMT
Christmas travellers are facing severe disruption as heavy snow falls across many parts of the UK.
Heathrow and Gatwick airports were forced to close all runways amid severe Met Office warnings for parts of London, the Home Counties and Surrey.
Tim Willcox has been surveying the scene as the BBC's newscopter flew over the skies of the capital and surronding areas.