Remain campaign vows cross-party push on EU referendum debate

The Remain campaign has promised the biggest day of cross-party campaigning in British political history, as the EU referendum debate steps up a gear.

Campaigners from both sides of debate will be out in force this weekend, with events planned across the UK.

Britain Stronger In Europe plans to turn out 6,200 campaigners at about 1,000 events, with leaders from the four major parties campaigning.

Prime Minister David Cameron and Labour leader Jeremy Corbyn will both separately be speaking on the reasons for Britain to remain in Europe.

Tim Farron, the Liberal Democrat leader, will be campaigning in Kendal and Caroline Lucas of the Green Party will be joining campaigning efforts ion Brighton.

Meanwhile, the Leave campaign's Boris Johnson is set to speak in Bristol, where he will set out the case for pulling out of the EU.

The weekend of campaigning follows hard on the heels of comments by the International Monetary Fund that pulling out of the EU could have a "negative and substantial effect" on the country's economy.

Among the planned events, Mr Cameron will unveil a new poster depicting an envelope on a doormat with wording echoing the Treasury's claims that an EU exit would cost the equivalent of "£4,300 for every household".

The prime minister highlighted the cross-party support for Britain to stay in Europe.

"This is a day unlike any other - politicians of every stripe taking to the streets with the same message," he said.

Jeremy Corbyn will be speaking at a rally in London to an audience of 900 people, where he will argue the UK's "problems" are the fault of the government, rather than Brussels.

Labour's 'In For Britain' battle bus will also be out and about, visiting Telford, Wolverhampton and Birmingham in the West Midlands.

In Scotland, the SNP will begin a digital push calling on Scots to vote to remain in Europe, the Remain campaign said.