Travelers flying to or from the U.K. faced further disruptions Saturday as thick fog and low visibility restricted air traffic on one of the year's busiest weekends. Gatwick Airport in London warned that some flights may be delayed throughout Saturday and apologized for the inconvenience.

Fog is expected to cause further disruptions to flights at some of the UK's busiest airports. Passengers at Gatwick have already been warned to expect possible delays on Saturday because of 'poor visibility'.

In the Faroe Islands, wild, unpredictable weather — fierce winds and rain, and thick fog that settles like a curtain — can sometimes make travel by car or ferry problematic. No wonder the Faroese love their tunnels.

"Restrictions of this sort are only ever applied to maintain safety." A London Gatwick spokesperson said: "Temporary air traffic restrictions have been put in place due to fog causing poor visibility.

Disruption is continuing at some of the UK’s busiest airports as thick fog blankets the country. Flights at Stansted airport have been affected by the weather conditions, while live departure boards showed delays at Heathrow,