Laura Kuenssberg
BBC political editor

The manifesto is the first big document to come from the Conservative Party since Theresa May has been in charge, our political editor says.

And her calculation is that the ideas she and her team will put forward will be enough to keep them in power.

Among her pledges, Theresa May will say immigration is too high and that has consequences for society.

The question is then - what's she going to do about it? As home secretary, she missed her target of bringing it down to under 100,000.

She will also pledge tomorrow to introduce extra charges for employers who want to bring in non-EU workers from around the world.

And people from around the world will have to pay more money to the NHS for their treatment while they are here.

"This is not hearts and flowers, but a hard-headed document. She's saying to the country, 'I know there are problems you want me to fix," our correspondent says.

She will be trying to come across as the leader who can sort them.

Image source, PA

The Tories will promise further measures to curb immigration in their manifesto, the BBC understands.

Firms will be asked to pay more to hire migrant workers and they in turn will be asked to pay more to use the NHS.

Theresa May will make a commitment to bringing immigration down to the tens of thousands target, that has been missed since 2010.

She will warn that "when immigration is too fast and too high, it is difficult to build a cohesive society".

The manifesto, which will be published on Wednesday, will promise to "bear down on immigration from outside the EU" across all visa routes.

Read more here.

Laura Kuenssberg
BBC political editor

The leader of the Welsh Conservatives says the Tories have delivered in their time in power in Westminster, and states his case on immigration:

Image source, AFP

Lib Dem leader says his party will not "roll over" as he promises a second EU referendum in the manifesto.

There have been some heated exchanges in the ITV Wales election debate tonight. Welsh Liberal Democrat leader Mark Williams, Plaid Cymru's Leanne Wood and First Minister Carwyn Jones considered tax, immigration and tuition fees:

BBC Newsnight

Image source, ITV

Welsh party leaders have clashed over Brexit in their first TV audience debate of the general election.

On the ITV Wales Election Debate, First Minister Carwyn Jones said he had "never seen a UK government so unprepared for anything".

But Welsh Tory leader Andrew RT Davies said UK ministers had a "serious plan".

Plaid Cymru's Leanne Wood said she would ensure Wales' voice was heard, while UKIP's Neil Hamilton said Britain had "masses to gain" from Brexit.

Read more here, and follow BBC Wales Politics here, external.

Dave Wooding, the political editor of the Sun on Sunday, says he is not sure the Lib Dems' choice of Brexit as their USP is a wise one.

Putting itself forward as the "party for diehard Remainers" is a risky strategy, he tells BBC News, given polling suggesting many of the 48% who voted to stay in the EU last year have either changed their mind or conceded that it is time to move on.

Many people voted Remain simply as a result of "Project Fear", he adds, and are aware that the sky has not fallen in since then.

Image source, PA

Nick Clegg is full of praise for Tim Farron's rallying call to Lib Dem supporters at its manifesto launch earlier this evening.

The former party leader, who was in charge of the Lib Dems at the 2010 and 2015 elections, told ITV News his successor was emerging as the "most humane and authentic of the party leaders".

He also, unsurprisingly, agrees with the decision to build the party's election narrative around Brexit and the offer of a second referendum.

Liberal Democrats launch their manifesto ahead of the general election. Here are some of the key points.

Chris Cook
Newsnight Policy Editor

On domestic policy, the Lib Dems are seeking a more modest reshaping of Britain.

In lots of ways, you can see Labour's plan as being much grander. It is about making us a bit more Germanic. It is about creating a sustainably larger state.

But the package leaves us in an unexpected place: Labour has a looser fiscal rule than the Lib Dems on the current budget, but plans to run a tighter current balance than them.

Labour is proposing to spend much more than the Lib Dems on the current budget, while being less generous on welfare.

Labour's platform, being more radical, is more open to complicated and unhelpful questions.

And they have also left themselves an enormous buffer that they can spend if, say, their proposed tax rises do not raise as much as is hoped.

But in their determination to look credible, it's slightly puzzling just how much fiscal room they have decided to leave themselves. Read more

Tom Symonds
Home Affairs Correspondent

Liberal Democrat leader Tim Farron has called on voters to support his party and ensure they get a choice about Britain’s future relationship with Europe.

He said someone had to make the final decision on whether to accept a future Brexit deal, politicians or the people. He said he believed it should be the people.

Tim Farron attacked Jeremy Corbyn and Labour, saying they "hadn’t even shown up to the fight" and had lost the right to be called the official opposition.

"Labour has lost its purpose but we have found ours. The brighter future we want is our purpose," he said.

Speaking to an audience of Lib Dem supporters in London, he pointed out that the previous two main parties in France had come third and fifth in their election, leaving the country with a choice between a Liberal, Emmanuel Macron, and the National Front.

He said he would not "roll over. The Britain I love is not lost yet".

The Liberal Democrat leader quoted the former UKIP leader Nigel Farage’s claim that Theresa May was now using the same language Farage had been using for 20 years.

He said Mr Farage had a view of the world that included shunning climate change and shutting the door on refugees.

Mr Farron said Brexit was a "time bomb" which would "wreck our children’s future" when it went off and said Britain should aim to stay in the single market outside the EU, like Switzerland and Norway.

Image source, Getty Images

Chris Cook, policy editor for the BBC's Newsnight, explains the slightly unexpected place the Lib Dems and Labour find themselves in.

Read about it here.