Why should the 48% who voted against Brexit vote Labour and not Lib Dem, asks Miranda, who accuses the Labour leader of being lacklustre in his response to the referendum.

Mr Corbyn says people have to accept the result of the referendum and Labour will work to ensure a tariff-free market and a "high wage, high investment, growing economy" with good jobs.

Image source, Sky News/Channel 4

Jeremy Corbyn refuses to put a figure on how much he wants immigration to come down by, after Brexit. He says Labour wants "managed migration" and action to stop firms undercutting British workers with cheap labour from abroad.

Image source, Sky/Channel 4

Audience member John says he supports Labour's policies but is not sure about Mr Corbyn.

Mr Corbyn proclaims his pride in Labour's policies and says he likes to get to know people - perhaps he can get to know the questioner.

Labour leader Jeremy Corbyn is accused of "openly supporting the IRA in the past" by the questioner who refers to a service Mr Corbyn attended, which the questioner says was to honour IRA killers.

The Labour leader says he called at the event for a "peace and dialogue process in Northern Ireland".

“We should all be pleased with what we achieved with the Good Friday agreement” and we should be pleased that those people now go around the world talking about peace, he says.

More police and a strategy to reduce the terror threat is what is needed, says Mr Corbyn. But, says the questioner, would he be prepared to commit troops abroad?

The Labour leader says it's a complicated issue and funding should be cut off for so-called IS. He also calls for more police officers and says Labour have pledged 10,000 more on the streets.

And we're off - Jeremy Corbyn is first up to face questions from the audience in the Battle for No 10. He is asked about his response to the Manchester attack.

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With the Battle for Number 10 minute's away, Boris Johnson's former top adviser Will Walden says the challenge for Theresa May will be to stop reverting everything back to Brexit. He says she should concentrate o the leadership issue.

Ed Miliband's former media chief Tom Baldwin says the PM has had a terrible campaign, with her U-turn on social care, and she has to "take back control of the debate," which he says will not be easy.

Theresa May and Jeremy Corbyn are preparing to face questions from a studio audience in a live general election show.

The two party leaders will also be grilled by broadcaster Jeremy Paxman. They will not appear together, as Mrs May refused to take part in a head-to-head encounter, and Mr Corbyn chose to go first after winning a coin toss.

The Battle for Number 10 will be broadcast on Sky News and Channel 4 from 20:30 to 22:00 BST.

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And finally, back to the idea that UKIP is becoming irrelevant. “Isn’t it the truth that 2017 election is ‘the beginning of the end for UKIP?” asks Andrew Neil.

Paul Nuttall insists that’s not the case; that tides come in and go out in politics and that by the end of 2018, the party could be bigger than it has ever been. He says the party’s policies – such as grammar schools and on integration – will be government policy in the future and he accuses the Conservatives of “stealing some of our clothes”.

Andrew Neil challenges Mr Nuttall saying, “You’re no Nigel Farage” and the UKIP leader agrees he is not, saying they are from different backgrounds and have different leadership styles. He says he believes he will still be the leader after the general election and "we will go on to great things.”

Andrew Neil comes back with “Are you the last leader of UKIP?”

Paul Nuttall replies:

Andrew Neil tackles the party’s insistence that the UK should not pay a penny of a “divorce bill” with the EU, asking what if the amount being agreed on was relatively small - £10bn to £15bn – and guaranteed similar trading rights as those we have now?

“I don’t see why we should pay a divorce bill on top of what UK has already paid in,” Mr Nuttall replies.

Next up is UKIP's policy on immigration. Andrew Neil says it would leave the country short of skilled workers, NHS staff and doctors – and asks if UKIP's policy of “one in one out” is just a gimmick. Andrew Neil tells Mr Nuttall he is more hardline than former UKIP leader Nigel Farage.

“The other day it was announced that last year alone a city the size of Hull came to England. If we carry on this road, we will end up with a population of 80 million by the middle of the century, which is simply unsustainable," says Mr Nuttall.

Mr Nuttall goes on to confirm UKIP's view that all EU residents here before Brexit was formally triggered in March will be able to stay in the UK with full rights to services and benefits. He says what happens to those who came after that would depend on the deal agreed with the EU for them - and also UK citizens abroad.

UKIP leader says the detention of terror suspects without trial could be needed in the future.

Now they are talking about the torture technique known as water-boarding, which Paul Nuttall has previously said he would be in favour of.

“I would put the lives of human families over any Jihadi – that’s not party policy. If there was a situation where an immediate terror threat,” he says.

Next it is internment – locking suspects up without trial - which Mr Nuttall says might be preferable to tagging someone or watching them 24 hours a day, which he says is expensive.

Still on law and order, the UKIP leader is asked about his call for the return of the death penalty for child killers and terrorists.

“That’s my own personal view. That is not UKIP policy,” he says.

Andrew Neil reminds him he had even offered to be the executioner. Paul Nuttall says he would support the death penalty for people like the killers of British soldier Lee Rigby and Ian Brady, saying:

Next, Andrew Neil quizzes Mr Nuttall on the party’s call for race to be an aggravating factor in a prosecution, saying “What are you on about here?”

The UKIP leader says race had been a factor in abuse of 1,400 girls in Rotherham.

Mr Nuttall is asked about the party’s call to ban the burka – full-face veils worn by some Muslim women. How would that possibly stop atrocities such as Manchester, asks Andrew Neil.

He’s told “it’s about security” and for that to be effective, you need to see people’s faces. He mentions cases where terror suspects have escaped wearing burkas and also says the ban would help with integration because “it allows you to show your face and communicate better”.

Andrew Neil challenges the UKIP leader over the party’s attitudes to Islam, but he insists that the party is “saying what people are thinking”.

“We need to get to grips with this Islamist cancer in our midst, because I worry if it isn’t, what happened in Manchester the other night might become common place,” he says.

Andrew Neil points out that an MEP, Gerard Batten, who is standing in the prime minister’s constituency, has called Islam (not Islamists or extremists) a “death cult” and a “barbaric religion”.

Paul Nuttall distances himself from the comments, saying it’s not language he would use and that the candidate had “got his terminology wrong” but that Islamic fundamentalism or radical Islam must be dealt with.