Dozens of flights were cancelled today at Heathrow Airport after thick fog engulfed the west London airport.
Fog also caused flight disruption at Cardiff airport.
By 10am a total of 85 flights at Heathrow had had to be axed and there were delays to a number of other departures and arrivals.
Heathrow staff advised passengers to check with their airline on their flights’ status.
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With the fog taking time to clear in west London, further flight disruption was expected as the day went on.
At Cardiff, a number of flights were delayed and some were diverted to other airports.
Press Association