Labour leader Jeremy Corbyn has tweeted that Prime Minister Boris Johnson should hold a Cobra meeting and declare a national emergency over the current flooding across England.

About 400 homes have been flooded in the north of England, and 1,200 properties have been evacuated.

Radio 4 PM

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Back to news that the Brexit Party won't be putting up candidates in Conservative-held seats. Richard Tice - the party's chairman - is dismissing talk of a humiliating climbdown as "absolute gibberish".

In an interview with Radio 4's PM programme, Mr Tice says the decision was a "strong sign of courageous leadership".

He says the aim was to ensure there was "no prospect" of a second referendum. Not standing against Conservative candidates, he says, would take that off the table.

And he calls it a "unilateral decision".

Labour's shadow chancellor John McDonnell has challenged Chancellor Sajid Javid to a head-to-head TV debate.

He's suggested to the broadcasters that if Mr Javid refuses, he should be "empty-chaired" - meaning Mr McDonnell would appear with just a chair in his rival's spot.

Simon Coveney, the Irish Tánaiste and minister for foreign affairs, speaking at the Foreign Affairs Council in Brussels, said the Irish government had not been told or consulted about the Conservative announcement that it would end veterans facing "vexatious" legal action over historical allegations by changing the law.

Mr Coveney said the Irish government would be opposed to the changes.

"That is a worry, perhaps this is just a part of an election campaign," Mr Coveney said.

"We have an agreement between both governments and the parties in Northern Ireland on how to progress, to manage very sensitive legacy issues, and to move a process of reconciliation forward.

"That was the Stormont House Agreement and within that agreement there's no amnesty for any one sector within Northern Ireland, or people who are involved in breaches of the law during the Troubles.

"I think it's important in a process of reconciliation and legacy that it moves ahead in a way that's consistent with what has been agreed.

"Of course, we've not seen any detail in any election manifestos on the issue yet, but from our perspective we have an agreed approach, it's in the Stormont House Agreement and I hope that's respected."

Later on Monday evening, the Brexit Party will hold its second event of the day in Sedgefield.

Looking further ahead, campaign events we already know about for Tuesday include:

• Labour leader Jeremy Corbyn will be campaigning in north-west England
• Chancellor Sajid Javid is campaigning in the south west
• There will be another Brexit Party rally in Westminster at around 11:00 GMT
• At shortly after midday, the Scottish Green Party will be on the campaign trail in Edinburgh
• And the Scottish Liberal Democrats will be campaigning at a construction site in Fort William, in the SNP-held constituency of Ross, Skye and Lochaber.

Image source, Getty Images

Shadow chancellor John McDonnell has said Labour would seek to reform EU freedom of movement rules if it gains power.

Mr McDonnell said that whether the UK remained in the EU or not, a Labour government would seek to reform the existing system to ensure workers' rights were not undermined

The current free movement system means that citizens from all EU member states have a right to live and work in the UK.

"There would be a number of reforms that we have put forward and advocated for a number of years - in particular about employment rights protection, so that we see workers themselves are not exploited and they are not used to undercut wages in certain companies - not across the board," he told Sky News.

"We are looking for reforms in the same way other European countries are - in particular the protection of employment rights."

The comments came after Labour was condemned as wanting "uncontrolled" immigration by cabinet minister Michael Gove.

Writing in The Times, external, Mr Gove highlighted a motion at this year's Labour Party conference to "maintain and extend free movement rights" - reversing its position at the last election when it said freedom of movement would end when Britain left the EU.

He said the new position was "extreme, dangerous and out of touch with the British people".

After the Brexit Party announced its plan to stand down candidates in all Conservative-held seats, one Brexit Party candidate tried his luck at striking a similar deal locally.

Brexit Party candidate Mike Greene tweeted his Conservative rival, asking "if he will now do the honourable thing and step aside" in their seat of Peterborough.

Conservative candidate Paul Bristow replied, essentially saying no. But he added: "Hope you enjoy the campaign."

The two men are standing in Peterborough, a seat held by Labour but with only a small majority - just 683 votes.

In the last election, a by-election in June, the result in the constituency was close, with the Brexit Party coming second and the Conservatives third.

Image source, Getty Images

SInn Fein has launched a general election campaign - even though the party's MPs refuse to take their seats at Westminster.

The Irish republican party takes the stand in protest at Westminster’s jurisdiction in Northern Ireland.

In the 2017 election, it won seven seats - an increase of three on the previous election.

It is also a staunchly Remain party.

At the election launch in Belfast on Monday, leader Mary Lou McDonald said that on election day, 12 December, voters could "send a strong message" to the British government and the Irish government "that they reject Brexit".

Sinn Fein has entered into an electoral pact with other Remain parties in Northern Ireland.

Last week, it promised not to field candidates in three Northern Ireland constituencies: South Belfast, East Belfast or North Down.

Richard Moss
Political Editor, BBC Look North

Image source, Getty Images

So far there's no sign of any quid pro quo from the Tories after Nigel Farage's concession earlier today.

The Conservatives say they will be fielding a candidate in the Brexit Party’s top target seat of Hartlepool, despite Mr Farage offering to give their candidates a clearer run in hundreds of constituencies.

The Tories say they selected Midlands deputy party chairman Arun Photay over the weekend, but were only in a position to confirm his candidacy on Monday.

He'll be up against Brexit Party chairman and East of England MEP Richard Tice.

It’s a Labour seat, currently held by their candidate Mike Hill with a majority of 7,650. The seat has been held by Labour since it was created in its current form in 1974.

Former Tory MP Nick Boles has launched a scathing attack on the leaders of the Conservative and Labour parties, revealing he will vote Liberal Democrat in the upcoming election.

In an article in the Evening Standard, external, Mr Boles - who quit the Tories over their stance on Brexit - writes that the 12 December poll will be "the only election in modern times in which you wouldn’t trust either of the prime ministerial candidates to mind your children for an hour, let alone run the country".

He says he will vote for the Liberal Democrats and their leader Jo Swinson, "because it will not entail the kind of moral compromise that voting Conservative or Labour would" and he "trusts her to pursue the closest possible relationship with the European Union after Brexit".

But most importantly to the former MP, Mr Boles says the Lib Dems will "insist on electoral reform and the introduction of a proportional voting system, which is essential if we are ever to break free of the tyranny of the two big parties and open up British politics to new forces, new faces and new ideas".

Image source, AFP

Something of a contrast to Nicola Sturgeon's position now from Labour's shadow Scotland minister, Paul Sweeney.

While she believes the choice facing voters in December cannot be separated from the issue of independence, Mr Sweeney said it would be an issue for the 2021 Scottish parliament elections, but should not play a part in the upcoming general election.

Mr Sweeney, who is standing for re-election in Glasgow North East, said: "Labour is going to be focused on delivering its domestic programme.

"That will restore faith in our communities, it will deal with the economic and social problems that people have to deal with in their everyday lives, not obsessing about nationalism and national borders.

"The reality is this isn't an issue for this election."

Image source, PA Media

Returning to the main news of the day - the decision by Nigel Farage to stand down hundreds of Brexit Party candidates to give the Conservatives a clear run in seats they won in 2017.

First Minister of Scotland and SNP leader Nicola Sturgeon says it proves “Boris Johnson and Nigel Farage are joined at the hip.”

Speaking in an interview at a community centre in Aberdeen, she said: “Any form of Brexit that is acceptable to Nigel Farage is going to be deeply damaging to Scotland and I suspect there are many traditional Tory voters in Scotland and across the UK that are appalled to find that the party has effectively become the Brexit Party.

More on the issue of online election campaigning. It sounds like you're more likely to see material from the Liberal Democrats than anypne else right now.

They now have 1,400 active ads on Facebook and Instagram, according to the BBC's visual journalism team and Joe Tidy, our digital elections reporter - the most of any party by a huge margin.

A lot of the new ads are standard messaging for mainly younger targets, but many are only going to people in Scotland.

And as usual from the Lib Dems, they target communities of thousands rather than tens of thousands.

Meanwhile, looking at overall spending on digital ads in the last week, pro-Remain group Best For Britain is the biggest, with £78,000 spent in the last seven days.

The next biggest spender is the Conservative Party, with £60,000 in the last seven days. Labour is next on £52,000.

Rory Cellan-Jones
Technology correspondent

Image source, Getty Images

Last weekend, BBC News economics editor Faisal Islam and I launched a project to try to get beneath the digital skin of this election.

We each tweeted avideo asking anyone who saw a political advert in their Facebook feed to send it to us, external, along with the "Why am I seeing this ad?" information that pops up when you click on a menu.

We were not sure anyone would respond - but quickly the emails began to flood in.

So far, we have received more than 600 messages with screenshots of election adverts and the information about how they have been targeted.

Here's what we have learned so far.

Image source, PA Media

It's the sixth day in the official election campaign, ahead of the 12 December poll. Here's what's been happening:

• The big announcement of the day came from the Brexit Party which has revealed it will not stand candidates in any of the hundreds of seats won by the Conservatives at the last general election.
• Boris Johnson flatly denied he had called Nigel Farage to agree the decision, but says it marks a "recognition that there's only one way to get Brexit done, and that's to vote for the Conservatives".
• Read the latest from our political editor Laura Kuenssberg on whether Mr Johnson will benefit from Mr Farage's decision.

• Meanwhile, the Liberal Democrats have said they are launching legal action against ITV, after the broadcaster announced a head-to-head debate between Mr Johnson and Mr Corbyn.
• Separately, the Lib Dems have today proposed a £10,000 grant for every adult in England to put towards education and training - a so-called "skills wallet" which people are given in installments over a period of 30 years.
• Elsewhere, official figures from the Office for National Statistics show Britain's economy has grown at the slowest annual rate in almost a decade. Chancellor Sajid Javid calls it "another welcome sign" of a strong UK economy, but shadow chancellor John McDonnell says the government's response signals "how low their hopes and expectations for our economy are".
• And politicians have paused on the campaign trail to mark Armistice Day. Politicians marked the day by offering pledges to improve the lives of UK service personnel and their families.

Image source, Getty Images

Reaction continues to come in to the significant announcement from Nigel Farage earlier today.

UKIP's comes in the form of a somewhat back-handed compliment to its former leader.

The party says it intends to field candidates, but "only in constituencies where we feel we can provide a positive impact" - meaning only standing in seats where there is "no clear Clean-Brexit Leaver" in the running.

They say "it appears that the Brexit Party has now caught up with UKIP’s flagship policy of ensuring Brexit finally happens".

Image source, Getty Images

A former special advisor to David Cameron has been selected to fight the safe Conservative seat of Sevenoaks.

Laura Trott worked as the PM's head of strategic communications in No 10.

She will now run for the seat previously held by former Defence Secretary Michael Fallon, who retired from the Commons last week, and seek to keep his majority of more than 21,000.

It's a contrast with Theresa May's former right-hand man - Nick Timothy - who failed to get selected last week.

Back to those campaign cliches - perhaps we should start a hashtag - and while Boris Johnson has been pouring a pint, SNP leader Nicola Sturgeon has been making her own coffee and arm-wrestling local residents while visiting Inchgarth Community Centre in Aberdeen.

Image source, Getty Images

Image source, Getty Images

Image source, Getty Images

An important detail for you within the Brexit Party announcement.

Nigel Farage's party is using the 2017 general election results as its template for where to stand (or not) - they won't run where the Tories won that year. It doesn't mean, though, that all of those seats are still Conservative-held today.

For example, the Welsh constituency of Brecon and Radnorshire.

The Liberal Democrats won the seat from the Tories in a by-election last August, with their candidate, Jane Dodds, overturning an 8,038 majority to beat Chris Davies by 1,425 votes.

BBC Wales parliamentary correspondent Mark Hutchings says the Brexit Party arguably denied the Tories a victory in that poll by running - and they've confirmed they won't be standing this time.

Speaking of standing aside, several branches of the Scottish Green party, some in key marginal seats, have announced they will not field candidates in the election, in a break with the party as a whole.

Last week, the Scottish Green Party decided it would not enter into a "Remain alliance" as their counterparts in England and Wales did and pledged to fight more than 20 seats in the December 12 poll.

However, local branches are choosing differently, potentially to the benefit of two SNP hopefuls.

Stephen Gethins, in North East Fife, currently has a majority of just two votes, and Perth and North Perthshire candidate Pete Wishart was just 22 votes ahead of the Tories in 2017.

Mr Wishart commented on the decision on Twitter: