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Jeremy Corbyn slammed the "utter hypocrisy" of Tory MPs in the wake of the Grenfell Tower disaster as he spoke to thousands of protesters gathered in London to rally against the Government.

The Labour leader was joined by shadow chancellor John McDonnell for the Not One Day More protest on Saturday and launched a scathing attack against the Conservative “austerity programme”.

More than 10,000 people are believed to have taken part in the protest, which has seen activists march on Parliament Square.

Mr Corbyn rounded on the Tories for uniting with hardline Northern Irish party the DUP and for the “hypocrisy” of praising emergency services in the aftermath of the Grenfell Tower blaze.

He said the Government’s refusal to lift the cap on pay rises for public sector workers was “absolutely unbelievable”.

A labour amendment to the Queen Speech to end cuts to emergency services and the 1 per cent pay cap were defeated in the Commons on Wednesday evening.

In front of a crowd of thousands chanting "Oh Jeremy Corbyn" the Labour leader said: "I say to any public sector workers in Northern Ireland or anywhere else - don't have any illusions in these people, when they started the austerity programme they meant it and they meant it to carry on.

"And carry on with a growing gap between the richest and poorest in our society, with a growing impoverishment of those at the bottom, a growing under-funding of local government, health, education and all the other things that we all need in a civilised society."

Not One Day More protest: Thousands march on Parliament against Tories 10 show all Not One Day More protest: Thousands march on Parliament against Tories 1/10 Shadow Home Secretary Diane Abbott leads the 'Not One Day More' march Getty Images 2/10 Protesters gather in Portland Square Getty Images 3/10 Demonstrators carry placards during the 'Not One Day More' march Getty Images 4/10 Thousands of people marched through central London Getty Images 5/10 The march ended in Parliament Square Getty Images 6/10 A dog joins in the march Getty Images 7/10 A protester holds up Jeremy Corbyn placards Getty Images 8/10 Anti-Theresa May placards at the march Getty Images 9/10 Demonstrators carry placards during the Not One Day More march Getty Images 10/10 Diane Abbott speaks to demonstrators Getty Images 1/10 Shadow Home Secretary Diane Abbott leads the 'Not One Day More' march Getty Images 2/10 Protesters gather in Portland Square Getty Images 3/10 Demonstrators carry placards during the 'Not One Day More' march Getty Images 4/10 Thousands of people marched through central London Getty Images 5/10 The march ended in Parliament Square Getty Images 6/10 A dog joins in the march Getty Images 7/10 A protester holds up Jeremy Corbyn placards Getty Images 8/10 Anti-Theresa May placards at the march Getty Images 9/10 Demonstrators carry placards during the Not One Day More march Getty Images 10/10 Diane Abbott speaks to demonstrators Getty Images

He added: “The utter hypocrisy of Government ministers and others who queued up in the chamber over there in the House of Commons to heap praise on the emergency services, the following day to cut their wages by refusing to lift the pay cap," he said.

"The hypocrisy is absolutely unbelievable."

John McDonnell also spoke to the crowds and vowed to support the victims of the Grenfell Tower fire.

At least 80 people are believed to have been killed when a huge blaze broke out at the high-rise tower block on Wednesday, June 14.

Mr McDonnell said: "To the victims of Grenfell Tower we pledge now, we will stand with you and your families all the way through.

"Grenfell Tower symbolised for many everything that's gone wrong in this country since austerity was imposed upon us."

Activists were seen marching in their masses through central London on Saturday afternoon, making their way down Regents Street and through Trafalgar Square.

The march's organisers, an anti-austerity campaign group The People’s Assembly, said they “need to make sure” the opposition to Theresa May’s Government is felt.

Referencing recent suggestions from ministers that the Government could ease austerity, Mr Corbyn said: "The Tories are in retreat, austerity is in retreat, the economic arguments of austerity are in retreat.

"It's those of social justice, of unity, of people coming together to oppose racism and all those that would divide us, that are the ones that are moving forward.”

Shadow Home Secretary Diane Abbott as well as Unite union boss Len McCluskey also spoke at the rally.