Ice, snow and sub-zero temperatures in northern Europe have disrupted travel, leaving Europe's busiest airport Heathrow, near London, all but closed.Flights were also cancelled on Monday in Frankfurt, Amsterdam and Brussels and seven in ten services were running at the two main Paris airports.Thousands of people slept overnight at airport terminals at Heathrow and Zaventem airport in Brussels.Roads in a number of countries were described as treacherous.There were also severe delays on the Eurostar rail service between the UK and France and Belgium and Thalys trains between France and Belgium were also affected.
http://www.bbc.co.uk/news/uk-12038847
Note: Update record, 20 December 2010 Last updated at 11:04 GMT