CEO of Gatwick Airport Stewart Wingate poses for a photograph at the Express Test testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

CEO of Gatwick Airport Stewart Wingate poses for a photograph at the Express Test testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

CEO of Gatwick Airport Stewart Wingate takes a COVID-19 test at the Express Test testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

CEO of Gatwick Airport Stewart Wingate takes a COVID-19 test at the Express Test testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

Founder of Express Test Nick Markham has a swab taken at a new COVID-19 testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

A staff member approaches to take a swab at the Express Test COVID-19 testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

Founder of Express Test Nick Markham poses for a photograph at a new COVID-19 testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

Founder of Express Test Nick Markham has a swab taken at a new COVID-19 testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

A staff member is seen at the Express Test COVID-19 testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

The Express Test testing facility is seen at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

A staff member is seen at the Express Test COVID-19 testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

A staff member is seen at the Express Test COVID-19 testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

A staff member approaches to take a swab at the Express Test COVID-19 testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

A staff member is seen at the Express Test COVID-19 testing facility at Gatwick airport, amid the coronavirus disease (COVID-19) outbreak, in Crawley, Britain, November 27, 2020. REUTERS/Peter Nicholls

Passengers wait to board a Ryanair flight as an Iberia Express aircraft waits on its stand at Gatwick Airport in London, Britain. Aug 23, 2018. REUTERS/Hannah McKay

Passengers queue for a reduced Gatwick Express service during the Southern railway strike at Victoria station in London, Britain December 13, 2016. REUTERS/Neil Hall

Passengers queue for a reduced Gatwick Express service during the Southern railway strike at Victoria station in London, Britain December 13, 2016. REUTERS/Neil Hall

Passengers queue for a reduced Gatwick Express service during the Southern railway strike at Victoria station in London, Britain December 13, 2016. REUTERS/Neil Hall

Passengers queue for a reduced Gatwick Express service during the Southern railway strike at Victoria station in London, Britain December 13, 2016. REUTERS/Neil Hall

A departures board shows cancelled flights on the Gatwick Express platform of Victoria Station in London December 1, 2010. Heavy snow grounded all flights at London's Gatwick airport on Wednesday in the worst early winter weather to hit Britain in almost two decades which could cost the economy billions of pounds. REUTERS/Dylan Martinez (BRITAIN)

A departures board shows cancelled flights on the Gatwick Express platform of Victoria Station in London December 1, 2010. Heavy snow grounded all flights at London's Gatwick airport on Wednesday in the worst early winter weather to hit Britain in almost two decades which could cost the economy billions of pounds. REUTERS/Dylan Martinez (BRITAIN)

Fields are seen covered in snow near Gatwick Airport, London January 10, 2010. REUTERS/Stefan Wermuth (BRITAIN - Tags: ENVIRONMENT)

Network Rail workers walk along railway tracks as a Gatwick Express train approaches Victoria Station in London February 28, 2008. Britain's rail infrastructure firm Network Rail was fined 14 million pounds ($28 million) on Thursday over delays in track projects which disrupted New Year services. REUTERS/Luke MacGregor (BRITAIN)

Deputy Prime Minister Michael Heseltine gestures after overseeing the completion of a deal for new rolling stock between Gatwick Express and GEC ALSTHOM Metro-Cammell April 14. Heseltine stated that the 100 million pound (sterling) order was a direct result of rail privitisation.

BRITAIN ELECTION