Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine

Heathrow Airport. Passengers photographed at Terminal 5 of Heathrow Airport, this morning. From tomorrow all international arrivals to the UK will have to demonstrate they have had a negative Covid test and they will be also force to quarantine, as travel corridors will be closed as part of a tightening of the UK's borders. Picture by Gustavo Valiente / Parsons Media / eyevine