Airlines are criticising the British government's plan to force travellers arriving in the UK to self-quarantine for 14 days.
Ministers are expected to confirm later that health officials will carry out spot checks - and those who don't comply could face fines of a thousand pounds.
Ryanair says it's 'bonkers', while Virgin says it'll mean its planes will stay grounded.
John Holland-Kaye's the boss of Heathrow Airport.
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