The first guests will check into government quarantine hotels on Monday amid warnings of five-hour airport queues and "red list" country arrivals being allowed to mix with other passengers.
There are reportedly no protocols in place to stop passengers travelling to the UK from the 33 "red list" countries mixing with other travellers on planes and in airports.
This has sparked fears passengers might pass on different strains of Covid to others before they even reach the hotel to start their 10-day quarantine.
Heathrow, Britain’s busiest airport, warned yesterday that queues at passport control have been up to five hours long recently.
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