![FILE PHOTO: People queue to enter terminal 2, as tighter rules for international travellers start, at Heathrow Airport, amid the spread of the coronavirus disease (COVID-19) pandemic, London, Britain, January 18, 2021. REUTERS/Henry Nicholls/File Photo](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/Q7H2CTIIQBULNRIYQEC4NI6IOM.jpg?smart=true&auth=2ddc5b9e1eed4a34edc77b17b1618114b1af8d5b02aff32bd82f9b7bb4cfb802&width=400&height=225)
People queue to enter Heathrow Airport's Terminal 2, where travellers have faced waits of several hours in recent weeks. Reuters
People queue to enter Heathrow Airport's Terminal 2, where travellers have faced waits of several hours in recent weeks. Reuters
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