Union Jack flags and signs are seen outside Oxford Circus underground station on the first day of national rail strike, in London, Britain June 21, 2022. REUTERS/John Sibley

Rail workers strike outside the Waterloo Station, on the first day of national rail strike in London, Britain, June 21, 2022. REUTERS/Henry Nicholls??

Passengers queue for a bus outside the Waterloo Station, on the first day of national rail strike in London, Britain, June 21, 2022. REUTERS/Henry Nicholls

Passengers walk after getting off one of the few busy trains that arrived at the Waterloo Station, on the first day of national rail strike in London, Britain, June 21, 2022. REUTERS/Henry Nicholls

A traveller carrying camping equipment arrives at Paddington Station, on the first day of national rail strike, in London, Britain, June 21, 2022. REUTERS/Henry Nicholls



Rail workers strike outside the Waterloo Station, on the first day of national rail strike in London, Britain, June 21, 2022. REUTERS/Henry Nicholls

A general view of Waterloo Station, on the first day of national rail strike in London, Britain, June 21, 2022. REUTERS/Henry Nicholls

Travellers carrying camping equipment board a train at Paddington Station, on the first day of national rail strike, in London, Britain, June 21, 2022. REUTERS/Henry Nicholls



A traveller carrying camping equipment waits at Paddington Station, on the first day of national rail strike, in London, Britain, June 21, 2022. REUTERS/Henry Nicholls



Passengers walk after getting off one of the few busy trains that arrived at the Waterloo Station, on the first day of national rail strike in London, Britain, June 21, 2022. REUTERS/Henry Nicholls

A man stands with his bike at the Waterloo Station, on the first day of national rail strike in London, Britain, June 21, 2022. REUTERS/Henry Nicholls

Cyclists ride at Parliament Square on the first day of national rail strike, in London, Britain June 21, 2022. REUTERS/John Sibley

Travellers carrying camping equipment wait at Paddington Station, on the first day of national rail strike, in London, Britain, June 21, 2022. REUTERS/Henry Nicholls



Rail workers strike outside the Waterloo Station, on the first day of national rail strike in London, Britain, June 21, 2022. REUTERS/Henry Nicholls



Passengers board a train bound for the west of England, ahead of a planned national strike by rail workers, at Paddington Station, in London, Britain, June 20, 2022. REUTERS/Toby Melville

Travellers carrying camping equipment board a train at Paddington Station, on the first day of national rail strike, in London, Britain, June 21, 2022. REUTERS/Henry Nicholls



Travellers carrying camping equipment board a train at Paddington Station, on the first day of national rail strike, in London, Britain, June 21, 2022. REUTERS/Henry Nicholls



Passengers board a train bound for the west of England, ahead of a planned national strike by rail workers, at Paddington Station, in London, Britain, June 20, 2022. REUTERS/Toby Melville

Passengers walk after getting off one of the few busy trains that arrived at the Waterloo Station, on the first day of national rail strike in London, Britain, June 21, 2022. REUTERS/Henry Nicholls

A view shows parked trains in Basford Hall Yard, Crewe, Cheshire, Britain, June 21, 2022. Picture taken with a drone. REUTERS/Carl Recine