New rules have come into effect in the UK, requiring 14 days of self-isolation for all international arrivals.
The government says the measure, which will run for an initial three weeks, will help prevent a second wave of coronavirus.
But critics say it's being brought in too late, is unenforceable, and will harm the tourism and aviation sectors.
British Airways boss Willie Walsh says it's bad timing.
IN: "We need...
OUT: ...is closed."
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