JEREMY Corbyn will on Thursday pledge to help those in “left-behind Britain” by transforming the UK economy so that it works for everyone in all parts of the country while the following day his rival Owen Smith will warn there are just five days to save Labour.

In a keynote speech at the London headquarters of the Bloomberg financial data and media company – the venue where in 2013 David Cameron gave a speech committing to an in-out EU referendum – the Labour leader will seek to strike a positive note on Britain’s post-Brexit future, saying it needs to stay open to the world and welcome those who wish to come and work here.

On Brexit, he will argue that the UK Government should press for full access to the European single market but without requirements to liberalise and privatise pubic services and to protect social, employment and environmental rights.

He will also make clear any deal will have to be ratified by Westminster.

“In the wake of the referendum vote to leave the European Union and a summer of political turmoil our economy stands poised between two alternative futures. There is huge potential in our society. There are talented people across the whole country…the millions who want a decent job or to set up in business or use their skills for the wider social good.”

But the Islington MP will argue the country has an economy and a set of institutions, which let the people down badly.

“The Leave vote, for all those in left-behind Britain, was a decisive rejection of all of this failed economic model. There is an alternative to the drift and decay of the Tories. An economy that works for all, across every part of our country."

After appearing in the last head-to-head with Mr Corbyn, Mr Smith is set to deliver his own keynote speech in London when he will warn there are “five days left to save the Labour Party”.

Meantime, Mr Corbyn's team issued a roll call of Labour MPs it claimed had abused the party leader and his allies as it attacked opponent Mr Smith for running a negative campaign, branding him the "disunity candidate".

The Corbyn camp claimed the MP for Pontypridd had failed to tackle abuse meted out by his own supporters and that party members were being made to feel "profoundly unwelcome".

They highlighted the behaviour of a number of Labour MPs, including Jess Phillips for telling Mr Corbyn's ally Diane Abbott to "f*** off" and John Woodcock for dismissing the party leader as a "f****** disaster".