Act Party leader David Seymour says being Deputy Prime Minister isn't out of the question - but it's unlikely.

Judith Collins confirmed today she'd have no problem appointing David Seymour as Deputy Prime Minister should a National-Act alliance hit the 51 per cent party-vote mark on election day.

Full replay: President Donald Trump and Democrat Joe Biden meet in their first debate in a presidential election year marked by extraordinary turmoil.

Two people are facing charges after a Serious Fraud Office investigation into the NZ First Foundation. "No party member has been implicated or charged by the SFO," NZ First leader Winston Peters told reporters. Video / NZ Herald

Every Monday until the election The Front Bench will take on the biggest talking points of the election campaign.

National Party leader Judith Collins said people on the West Coast feel as though they have been let down by Minister of Agriculture Damien O'Connor.

Labour Party leader Jacinda Ardern has been challenged not to dissolve the West Coast DHB as she took her campaign to Greymouth today.

Future Labour-Greens Coalition government in doubt over wealth tax dispute.

The National Party wants to open up the borders to let in more foreign workers and international students as well as people from Covid-free countries including Pacific nations.

National Party leader Judith Collins launches the party's 2020 election campaign. Video / Facebook - National Party

Whether young people would use more cannabis was a hot topic during a debate on the October 17 referendum to make recreational cannabis legal.

Why is the Government choosing to keep the rest of the country outside of Auckland still in alert level 2 for another week?

National is promising to create a single Crown-owned bank to streamline and fund infrastructure projects if elected into government.

Labour is promising a new top tax rate of 39 per cent for people earning more than $180,000 a year – a tax which will only affect 2 per cent of New Zealanders. The new tax would impact those earning $200,000 a year roughly $23 a week – $1200 a year – but would generate up to $500 million a year.

The first nine days of lockdown were unlawful, a High Court decision says. New Zealanders were not actually required by law to stay at home in their bubbles until April 3, more than a week into lockdown, today's ruling has found.

Five hundred more Defence Force staff are being deployed to managed isolation facilities and the Government is also directly hiring security guards to help control the centres. It comes as officials report six new cases of Covid-19 today, one of which is in managed isolation.

After an ever-so-brief period of campaigning, political rivals Jacinda Ardern and Judith Collins went toe-to-toe in the House again this afternoon.

National leader Judith Collins has slammed the testing of border workers as a "complete failure" and says the public has been misled. Video / Mark Mitchell

Prime Minister Jacinda Ardern has decided to delay the election until October 17. Announcing the decision this morning, Ardern said the re-emergence of Covid-19 in the community was a cause for concern during the election period.

National leader Judith Collins has called for the election to be delayed. She called on PM Jacinda Ardern to shift the election "until a date later in November". Video / Chris Tarpey

Labour leader Jacinda Ardern won't reveal how she would vote in the upcoming referendum to legalise cannabis for recreational use. Video / Mark Mitchell

With a new poll showing voters back Judith Collins to change the flagging fortunes of the National Party, the leader is hitting the campaign trail in Auckland today.

With a new poll showing voters back Judith Collins to change the flagging fortunes of the National Party, the leader is in studio today with Newstalk ZB's Kerre McIvor as she hits the campaign trail.

PM Jacinda Ardern thanked the Greens and New Zealand First – which chose Labour over National to be a partner in Government. National leader Judith Collins was less gentle. She said that Ardern was about to join Bill Rowling as a one-term Prime Minister.

Households should add masks to their emergency supply kits in the case of further Covid-19 outbreak, Health Minister Chris Hipkins says.

Housing Minister Megan Woods said the law to charge Kiwis returning to New Zealand has now passed all stages and the fees will come into force mid-August.

There are no new cases of Covid-19 in New Zealand. Director-General of Health Ashley Bloomfield said five previously reported cases are now recovered, meaning there are 22 active cases in managed isolation in the country.

Prime Minister Jacinda Ardern has shed light on how the virus response will be maintained in the lead-up to the election.

National MPs Nikki Kaye and Amy Adams are among 13 National MPs leaving at the election, including Paula Bennett, Anne Tolley and those leaving after periods of trouble such as Hamish Walker.

Auckland Central MP Nikki Kaye bowed out of Parliament tonight, dropping the F-bomb in the process.