Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville TPX IMAGES OF THE DAY 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

A child holds a placard as striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

A National Education Union flag is held aloft as teachers join the strike action in Luton, Britain February 1, 2023. REUTERS/Peter Cziborra 

Teachers join the strike action in Luton, Britain February 1, 2023. REUTERS/Peter Cziborra 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

A child holds a placard as teachers join the strike action in Luton, Britain February 1, 2023. REUTERS/Peter Cziborra 

Teachers join the strike action in Luton, Britain February 1, 2023. REUTERS/Peter Cziborra 

Teachers join the strike action in Luton, Britain February 1, 2023. REUTERS/Peter Cziborra 

A man displays a placard as striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Teachers join the strike action in Luton, Britain February 1, 2023. REUTERS/Peter Cziborra 

Teachers join the strike action in Luton, Britain February 1, 2023. REUTERS/Peter Cziborra 

Teachers join the strike action in Luton, Britain February 1, 2023. REUTERS/Peter Cziborra 

A child holds a sign as striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Teachers join the strike action in Luton, Britain February 1, 2023. REUTERS/Peter Cziborra 

Teachers join the strike action in Luton, Britain February 1, 2023. REUTERS/Peter Cziborra TPX IMAGES OF THE DAY 

A National Education Union flag is held aloft as teachers join the strike action in Luton, Britain February 1, 2023. REUTERS/Peter Cziborra 

Members of the Public and Commercial Services (PCS) Union protest at a picket line outside the Cabinet Office in London, Britain, February 1, 2023. REUTERS/Toby Melville 

A man displays a placard as striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

A woman displays a placard as striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Teachers, parents and children join the strike action at a protest in Wokingham, Britain, February 1, 2023. REUTERS/Matthew Childs 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville TPX IMAGES OF THE DAY 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville TPX IMAGES OF THE DAY 

Teachers, parents and children join the strike action at a protest through Wokingham, Britain, February 1, 2023. REUTERS/Matthew Childs 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Teachers, parents and children join the strike action at a protest in Wokingham, Britain, February 1, 2023. REUTERS/Matthew Childs 

Teachers, parents and children join the strike action at a protest in Wokingham, Britain, February 1, 2023. REUTERS/Matthew Childs 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Teachers, parents and children join the strike action at a protest as they walk in Wokingham, Britain, February 1, 2023. REUTERS/Matthew Childs TPX IMAGES OF THE DAY 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville TPX IMAGES OF THE DAY 

Teachers, parents and children join the strike action at a protest in Wokingham, Britain, February 1, 2023. REUTERS/Matthew Childs 

Teachers, parents and children join the strike action at a protest in Wokingham, Britain, February 1, 2023. REUTERS/Matthew Childs 

Teachers, parents and children join the strike action at a protest in Wokingham, Britain, February 1, 2023. REUTERS/Matthew Childs 

Teachers, parents and children join the strike action at a protest in Wokingham, Britain, February 1, 2023. REUTERS/Matthew Childs 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville TPX IMAGES OF THE DAY 

Teachers, parents and children join the strike action at a protest as they walk in Wokingham, Britain, February 1, 2023. REUTERS/Matthew Childs 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Striking workers attend a march, in London, Britain February 1, 2023. REUTERS/Toby Melville TPX IMAGES OF THE DAY 

A woman holds a sign during a march of striking workers near Downing Street, in London, Britain February 1, 2023. REUTERS/Toby Melville 

A woman holds a sign during a march of striking workers near Downing Street, in London, Britain February 1, 2023. REUTERS/Toby Melville 

A child holds a sign during a march of striking workers near Downing Street, in London, Britain February 1, 2023. REUTERS/Toby Melville 

People hold placards during a march of striking workers near Downing Street, in London, Britain February 1, 2023. REUTERS/Toby Melville 

Teachers join the strike action at a picket line at Redwell Primary school in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne 

Teachers join the strike action at a picket line at Redwell Primary school in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne 

Teachers join the strike action at a picket line at Redwell Primary school in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne 

Teachers attend a rally outside the council headquarters in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne 

Teachers attend a rally outside the council headquarters in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne 

Teachers attend a rally outside the council headquarters in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne TPX IMAGES OF THE DAY 

Teachers attend a rally outside the council headquarters in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne 

Teachers attend a rally outside the council headquarters in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne 

Teachers attend a rally outside the council headquarters in Alloa, Clackmannanshire, Scotland, Britain, February 1, 2023. REUTERS/Russell Cheyne