Map of London showing aircraft icons over Heathrow area
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Travel journalist: 'lt's a constant game of three-dimensional chess'

Passengers are facing disruption with some flights suspended after a computer failure at the UK's air traffic control centre.

Travel journalist Simon Calder told the BBC that air traffic control over London was "a constant game of three-dimensional chess".

He said the impact of the failure on the busiest travel day of the week, Friday, meant that cancellations will quickly build up.

  • 12 Dec 2014
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