EXCLUSIVE: Almost 1,000 flights were grounded and cancelled with thousands more delayed after issues hit Britain s National Air Traffic Services (NATS).
Passengers complained of long waits at London Heathrow s Terminals Two, Three and Five as they criticised the third world airport and described crazy and huge queues.
The airport, which was Europe s busiest before the pandemic, said the measure will keep passengers arriving in London from destinations on the high-risk list away from other travellers.
Chaos at Heathrow Airport as passengers at Terminal 5 departures face massive queues dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.