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Speaking to Jeremy Vine on BBC Radio 2, former Labour leader Jeremy Corbyn says the party didn't do better in the election because "we weren't strong enough opposing government on Covid, we weren't strong enough on them handing out contracts the way they did".

He adds that Labour needs to demand "proper support" for people when the furlough scheme comes to an end.

And he says former Labour minister Peter Mandelson - who last week blamed Labour losses on Corbyn and Covid - was "completely wrong" in his analysis.

Newly re-elected Mayor of London Sadiq Khan has backed Keir Starmer's decision to reshuffle the shadow cabinet.

He says Starmer was "right" to make changes to his team following the election results because the party needs to "earn back the trust and confidence across the country".

Khan, who signed the official declaration of acceptance of office this morning, says he is looking forward to working with the Labour leader and "helping the national party".

"I've been involved in reshuffles before, it's like three-dimensional chess in relation to how you conduct them," he says.

"I'm sure it's not gone as smoothly as Keir would have liked and I wish him well over the next 24 hours.

"He's got a great new team around him."

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We have some more information about what Sir Keir Starmer said to party staff this morning.

He said he was "delighted" by Labour's success in Wales and praised Scottish Labour's campaign, as well as the victories in mayoral races.

However, he described results in Hartlepool and elsewhere as "profoundly disappointing".

Looking to the future, he said: "We be spelling out what a post-pandemic, post-austerity Britain outside the EU will look like.

"That means rethinking the way the economy is return - the current model doesn't work and we will be the party that grasps this."

He also spoke about changing the culture in Britain, saying: "For too long people have been set against each other, old v young, black v white, town v city.

"Our values are about bringing them together."

Glenn Campbell
BBC Scotland Political Editor

As we reported earlier, Scotland's first minister has told Prime Minister Boris Johnson that a second independence referendum is "a matter of when - not if".

But the only way for there to be a successful referendum on Scottish independence is if both sides agree.

That's how they did it in 2014 with the Edinburgh agreement and the alternatives are messy and risky for both sides.

If the current stand-off between Nicola Sturgeon and the PM cannot be resolved, the first minister intends - at some point - to pass a referendum bill at Holyrood.

She dares the UK government to challenge the legislation in court, which it may feel obliged to do because it considers such a vote to be beyond devolved powers.

Read more here.

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Boris Johnson is being investigated by the MPs' standards watchdog over the funding of his Caribbean holiday in late 2019.

Commons standards commissioner Kathryn Stone has confirmed she is looking into whether the PM correctly declared how the trip was paid for.

Mr Johnson has previously declared he received accommodation worth £15,000, covered by businessman David Ross.

No 10 has previously said it was properly registered.

Read more here.

Sir Keir Starmer has been talking to Labour Party staff ahead of today's shadow cabinet meeting.

The BBC has been told he made remarks about the party being too focused on itself and not enough on the voters.

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Tracy Brabin's victory in the West Yorkshire mayor race is a win for Labour.

However, because she is expected to step down as MP for Batley and Spen, it also means the party now faces a potentially tricky by-election.

Labour has held the constituency since 1997 - when Mike Wood won it with a majority of over 6,000.

However that majority has been since halved and the Conservatives might fancy their changes of securing another parliamentary seat.

In adition to speaking about Labour's reshuffle, Greater Manchester Mayor Andy Burnham is asked in an interview with the BBC if he would ever throw his hat in to the ring again to be the party's leader.

He says he hates leadership questions and is not being coy or talking in code but he's "not plotting a return to Westminster" after two failed bids.

He says he intends to serve a full second term as mayor but if "in the distant future" the party decides he is someone who could help then he will look at it.

Labour's Greater Manchester Mayor Andy Burnham - who has won a second term in office - says the party should be celebrating its success in devolved government, rather than a "pointless and destructive" civil war between the right and left of the party.

You can watch a clip from his BBC interview below:

Labour's Angela Rayner, who's been making headlines after Keir Starmer tried to sack her and ended up promoting her, has been praising an ally on Twitter.

She congratulates the Greater Manchester mayor, Andy Burnham, for a "deserved landslide victory" and for connecting with voters.

Aside from the shadow cabinet reshuffle, Labour MPs have been getting worked up about another issue.

The Guardian is reporting , externalthat the government will this week announce plans to make the public show photo ID before voting in general elections.

Labour's shadow justice secretary David Lammy says: "In the 2019 election, there was just one conviction for voter fraud - 3.5 million British citizens do not have a photo ID.

"This is a cynical and ugly attempt to rig the system to disempower the poorest and most marginalised groups."

While his Labour colleague Nadia Whittome argues: "This isn’t about stopping voter fraud, it’s about disenfranchising the young, the poor, and people of colour. People less likely to vote Tory."

Defending voter ID last year, Cabinet Office Minister Chloe Smith said it was "part of a body of work this government is delivering to strengthen the integrity of our electoral system and give the public confidence that our elections are modern, fair and secure".

Former Labour leader Jeremy Corbyn has been tweeting this morning.

He steers clear of the reshuffle debate and instead praises the Labour mayors who were victorious at the weekend - and the grassroots supporters who backed them.

• The new shadow chancellor is Leeds West MP Rachel Reeves - a former Bank of England economist who has held a number of front bench roles since joining Parliament in 2010. As a teenager she was the under-14 UK girls chess champion
• A former teacher, Tynemouth MP Sir Alan Campbell has served on Labour's frontbench since 2005, working as deputy chief whip since 2010. Over the weekend he was promoted to chief whip replacing Nick Brown
• Wes Streeting becomes shadow secretary for child poverty. He became MP for Ilford North in 2015. Before then he was a councillor and former president of the National Union of Students
• Barrister Shabana Mahmood is Labour's new campaigns coordinator. She has represented Birmingham Ladywood since 2010 and served as a shadow Treasury and Home Office minister
• Manchester Central MP Lucy Powell is the new shadow housing secretary. She was Ed Milband's former chief of staff and played a key role in the party's unsuccessful 2015 election campaign

James Vincent
Political Editor BBC Look North

What's on the agenda for Labour's Tracy Brabin, the first directly-elected metro mayor for West Yorkshire?

Well, first she'll have to to quit her day job. As the mayoral role comes with the powers of the police and crime commissioner she is no longer allowed to be an MP.

That means there will be a by-election in her seat of Batley and Spen. And after what happened in Hartlepool, there will be huge interest in another by-election in a Labour area.

A priority for the new mayor will be sorting out transport. She has already said she wants to bring buses back into public control.

There is already £4.2bn ready for a tram system for West Yorkshire, plus, there are likely to be battles ahead on the high-speed HS2 rail link.

The new West Yorkshire mayor role is a £1bn deal - the biggest devolution deal in the country.

Read James's full report here

Philip Sim
BBC Scotland political correspondent

As the dust settles after a marathon two-day count and the winners prepare for life at Holyrood, we look at the facts and figures behind the story of the 2021 Scottish Parliament election.

The SNP has been handed a fresh five-year term in government at Holyrood, their fourth in a row.

By the time it is up in 2026, the party will have been in government for 19 years - and Nicola Sturgeon may be asking for votes from people who were born after she first entered government.

This has been an election where not much has changed - only three of the 73 constituencies changed hands, compared to 18 in 2016.

Read the full piece here.

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Labour's mayor for Greater Manchester, Andy Burnham, has been talking to the BBC News channel.

He tweeted at the weekend that he couldn't support the sacking of Angela Rayner. Today, he restates his view that she is a "formidable" campaigner.

He also says Labour should be celebrating some of its election results and he finds it "frustrating" to be reading headlines about the reshuffle when the party had "great results" in the mayoral elections.

"Why were we having a civil war and why were we making moves like that?" he asks.

"We move on this morning. I am glad that the shadow cabinet reshuffle has been resolved, that Angela's position has been resolved, we get on with the job this morning."

Iain Watson
Political correspondent

Angela Rayner's future dominated the reshuffle, which took most of yesterday to complete.

When Sir Keir Starmer stripped her of her campaigning role, he sparked fury from many on the party's left

So he had to deliver on his promise to compensate her with a prominent post.

She is now not only deputy labour leader but shadow first secretary of state, shadow chancellor of the duchy of Lancaster and shadow secretary of state for the future of work. The key issue, her allies stress, is that she will have a say over party policy, particularly on the economy and workers’ rights.

Rachel Reeves becomes shadow chancellor, with Annelise Dodds demoted to party chair.

The labour leadership were said to have wanted more of the party's best media performers at the top table.

Wes Streeting met that criteria, and was promoted to a newly created role highlighting the party's commitment to reduce child poverty.

What is striking about a reshuffle conducted in the wake of worse-than-expected election results is just how few of the personnel - and their portfolios - have changed.

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A bit more from Shabana Mahmood now, who was appointed Labour's national campaign co-ordinator in place of Angela Rayner last night.

Speaking to the BBC, she says decisions around the Labour shadow cabinet reshuffle were made solely by party leader Sir Keir Starmer.

"The decisions around personnel are for Keir Starmer, as the leader of the Labour Party, to make, and they are his decisions alone," the Birmingham Ladywood MP told BBC Breakfast.

"What anybody else thinks does not matter.

"Keir has appointed his team, as he has the right to do, and it's the job of all of us to work together to try and find a way to build a winning voter coalition that can span across the country."

We got through the lion's share of the election results over the weekend, but we are still awaiting the outcomes of the last lot of police and crime commissioner elections.

So far, the Conservatives have won in 17 areas, gaining Cheshire, Leicestershire, Humberside, Nottinghamshire, Derbyshire and Cleveland from Labour.

Labour now hold seven PCCs in Northumbria, Gwent, South Wales, North Wales, Merseyside, West Midlands and Durham.

Plaid Cymru lost its PCC seat in North Wales to Labour.

There are 14 results still to come in today include Kent, Cumbria and Devon and Cornwall.

If you want to find out more about what a police and crime commissioner does, Jacob Tomlinson explains more here.

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First Minister of Wales Mark Drakeford will hold a cabinet meeting later this morning, fresh from Welsh Labour's victory in the Senedd elections.

Although he was one seat short of an outright majority, Drakeford has ruled out a coalition with other parties, saying he'll talk to others on a case-by-case basis.

Top of his in-tray this morning is the next stage of easing coronavirus restrictions in Wales.

The cabinet will discuss allowing pubs and restaurants to serve customers indoors from 17 May and whether to give the go-ahead to some foreign holidays.