Image source, ITV

Leanne Wood says if younger people, 18- to 25-year-olds, voted as much as older people did, then policy would change to become more favourable to them.

UKIP's Paul Nuttall says the elderly get a "raw deal" at the moment and the "triple lock" on the state pension should be kept.

He also calls the Conservative policy on funding social care, announced today, as a "death tax".

Caroline Lucas finds some rare common ground with the UKIP leader and says "pooled risk" would be better than putting too much risk on one individual.

Caroline Lucas and Nicola Sturgeon are on the same page about not saying young people should be supported at the expense of old people.

Tim Farron says there are things that can be done to help young people but it is more about "building a future" for them - in with Brexit and the environment are big issues.

Caroline Lucas nods in agreement.

Paul Nuttall's proposal to scrap the Barnett formula - which allocates money for public spending - does not go down well with Nicola Sturgeon.

She points out he would be taking money from Wales and Scotland. Leanne Wood says that would be a "disaster" for Wales.

The UKIP leader says there will also be a saving from leaving the EU - sparking many jibes about the £350m claim made on the Vote Leave bus.

Lib Dem Leader Tim Farron tells a story about him living with five other people in a two-bedroom house as a child, because a friend had to move in with his family.

Earlier he talked about not realising his family was poor until he was older.

Image source, ITV

UKIP is committed to scrapping tuition fees and reinstating grants for students from "working-class areas", says Mr Nuttall.

On-the-job training - German-style - for those in vocational courses is also backed by the UKIP leader.

He also pledges a "brownfield revolution" in housing - a key issue for all the leaders present.

Image source, ITV

Tim Farron also addresses the question about young people with pledges on building new homes but he quickly brings it back to Brexit. The Lib Dem leader says three quarters of young people voted to remain in the EU and were "dismayed" by the "extreme Brexit" pursued by Theresa May.

"I will stand up to it," he says.

Green co-leader Caroline Lucas has plans for rent controls, more affordable public transport, a safer environment and votes at 16.

Image source, ITV

We're onto the last question now, from Paul Bundred, about what leaders can do for young people to make them feel more optimistic about their future.

Nicola Sturgeon says building more houses is a critical issue, as well as "quality, high paid jobs". The SNP leader though says young people should not be "set against" old people at a time of rising pensioner poverty.

Leanne Wood has a dig at a Labour proposals on tuition fees - as compared to the party's policy in Wales. She also says housing benefit cuts for young people should be reversed.

Wrapping up the question on primary school teaching, Nicola Sturgeon says free early years education has been extended in Scotland but it's "quality" not just "quantity" which matters.

UKIP leader Paul Nuttall says more wrap-around care - breakfast and after-school clubs - is needed.

"We need to put more money into the education system," he says, claiming the UK has been "lagging behind" for some time.

Once again Paul Nuttall is on the receiving end of a verbal attack from the other leaders - this time over grammar schools.

Mr Nuttall tells the ITV audience that he agrees with selection by ability and would like to see grammars.

Caroline Lucas says they don't work and are "divisive" as Tim Farron nods in agreement. Mr Farron says the argument in favour of grammar schools is "bogus".

Leanne Wood says there will not be grammar schools in Wales "as long as I draw breath".

Nicola Sturgeon admits there are "challenges" ahead in improving education, which some might see as an understatement.

In Scotland she has been under pressure over falling literacy and numeracy rates.

As one BBC Scotland reporter tweets:

We now turn to education with a question from primary school teacher, Alex Relph about how teachers can be supported to ensure every child gets the best start.

Tim Farron says he wants to move away from a test-based system by scrapping SATs at primary school.

He says we need to "trust our teachers to teach our children and get on with the job".

Paul Nuttall has a surprisingly similar take on SATs and even admits - in an echo of a previous leaders' debate some years ago: "I agree with Tim."

We've had questions about the NHS, the economy and the cost of living - and in each case Brexit has loomed large in the answers with UKIP Leader Paul Nuttall frequently finding himself under fire from his fellow debaters.

Image source, Getty Images

As the leaders wind up their answers to the economy question, Nicola Sturgeon says the SNP is seeking to take 100,000 small businesses out of business rates".

"It's about making sure we don't pull the rug from under them," she adds, and some will "really be hurt" by leaving the EU.

When Paul Nuttall mentions his house-building plans, Tim Farron tells him: "You'll need migrant labour."

Mr Nuttall shoots back: "Maybe if we trained enough of our own people we wouldn't."

UKIP's leader Paul Nuttall tells the ITV debate "there's an oversupply of labour in this country, it's as simple as that".

SNP Leader Nicola Sturgeon replies: "That's just not true."

Green Leader Caroline Lucas chips in: "There isn't a single question to which Paul will not answer 'immigrants'."

Image source, AFP

Plaid Cymru's leader Leanne Wood says there's been a "rise in people using food banks even though they're in work".

Some of them are employed in the public sector, she says, which is "outrageous".

The debate continues with a question from Almaz Lakew about the rising cost of living.

UKIP's Paul Nuttall says "we want to put more money in people's pockets", by scrapping green levies and scrapping the personal allowance.

"People know best how to spend their own money," he says, arguing for a "small state".

Lib Dem Leader Tim Farron says he has a long-term economic plan - "staying in the single market".

It seems to be catching on...

Image source, Twitter