Here are some key facts about Swindon South, following Jeremy Corbyn's rally there:

• It is a seat held by the Conservatives
• Robert Buckland has a majority of 5,785 - the Tories' 10th smallest majority in South-West England
• It is one of Labour's targets in the South of England
• The party needs a swing of 5.9% to take the seat
• The Tories took the seat from Labour in 2010
• Labour had previously held the seat since its creation in 1997
• The neighbouring constituency of Swindon North has also been held by the Conservatives since 2010

The king of Spain's state visit to the UK in June has been postponed for a month, Buckingham Palace has said.

The Queen and King Felipe VI decided to delay the 6-8 June visit after the snap election was announced, the palace said, and it will now take place from 12-14 July.

King Felipe VI was due to make a state visit to the UK in March 2016, but this was postponed because of a political crisis in his country.

Image source, Getty Images

A total of 12 Labour MPs have have said they are standing down.

It’s the lowest number of retiring Labour MPs since the October 1974 general election.

Here are the previous numbers:

2015 election - 38 Labour MPs stood down

2010 - 100

2005 - 58

2001 - 38

1997 - 38

1992 - 19

1987 - 41

1983 - 38

1979 - 35

October 1974 - 3

February 1974 -  28

Mr Corbyn reiterated his desire for free school meals during his speech and he criticised grammar schools.

He also talked about rising class sizes.

Read more on that story here.

Image source, PA

Mr Corbyn also said that fighting to secure "justice for pensioners" would be a key part of his election campaign.

The Labour leader said his party would keep the so-called pensions triple-lock - which guarantees the state pension will go up by at least 2.5% every year.

Mr Corbyn also repeated his election promise to take on the establishment.

Charlotte Rose
BBC Radio Sheffield Political Reporter

Michael Dugher confirmed last night he's not standing for re-election as Barnsley East Labour MP at the general election on 8 June:

As yet, there is no confirmation as to who might stand in his place.

However, I have had it confirmed that it won't be the leader of Barnsley Council Sir Steve Houghton.

There are a total of 12 Labour MPs who have said they will not be standing in the general election:

• Tom Blenkinstop, Middlesborough South and East Cleveland
• Alan Johnson, Hull West and Hessle
• Pat Glass, North West Durham
• Iain Wright, Hartlepool
• Andrew Smith, Oxford East
• Gisela Stuart, Birmingham Edgbaston
• Andy Burnham, Leigh
• Rob Marris, Wolverhampton South West
• Jim Dowd, Lewisham West and Penge
• Fiona McTaggart, Slough
• Dave Anderson, Blaydon
• Michael Dugher, Barnsley East

Read more: Which MPs are going?

As Mr Corbyn leaves the hall in Swindon, his supporters are clamouring to talk to him and take selfies.

One woman tells Mr Corbyn she's a first-time voter.

"Use it wisely," the Labour leader says.

Mr Corbyn said that "within a few hours" of Theresa May announcing the snap election, 2,500 people joined the Labour party.

“And there are more joining every minute," he said.

On the campaign trail in Swindon, Jeremy Corbyn told supporters: "We are 72 hours into this election campaign, we are 72 hours into the opportunity of our lifetime."

He said seven years of a Tory government had "diminished the chances and opportunities of so many of our children for the future".

Labour's manifesto will be revealed "shortly", he added.

Theresa May is expected to continue on the campaign trail in South-East England later.

Meanwhile, Jeremy Corbyn is due to speak in Swindon shortly.

Do you have a burning question about the upcoming general election? We might be able to help. Ask your question and a selection of the most popular will be answered.

BBC assistant political editor Norman Smith said Mr Coyne's supporters see his suspension as an attempt to "nobble" their candidate.

They say his candidacy will not be affected by his suspension, although it could open up the prospect of a challenge if he wins.

Unite is Britain's biggest trade union and the Labour Party's main financial backer.

Len McCluskey has been a staunch supporter of Labour leader Jeremy Corbyn but Labour's deputy leader Tom Watson, and other figures on the "moderate" wing of the party, have thrown their weight behind Mr Coyne.

Counting of the leadership ballots is expected to finish later today.

Counting is under way in the Unite leadership ballot.

There are three candidates: the incumbent Len McCluskey and his challengers Gerard Coyne and Ian Allinson.

Yesterday it was revealed that Mr Coyne, who is seen as the anti-Jeremy Corbyn candidate, was suspended as West Midlands regional secretary pending an investigation.

Mr Coyne is understood to be facing disciplinary proceedings for bringing the union into disrepute.  

He is not thought to have been suspended as a union member.

Read more

A senior Lib Dem source told the BBC that the party had raised £500,000 in two days after it sent an email to supporters.

Leader Tim Farron said: "Donors and people are starting to flock to us."