House of Commons
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Liberal Democrat leader Tim Farron takes the oath.

He faced a tough battle to hold on to his seat of Westmorland and Lonsdale in 2017, winning with a majority of just 777 votes.

The ex-policeman cites concerns over leader Tim Farron's "views on various issues" for his exit.

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Sinn Fein MPs do not take their Westminster seats because they refuse to swear an oath of allegiance to the Queen.

However, that is not their only objection.

The party, which saw seven MPs elected on 8 June, also refuses to take its Commons seats because it opposes Northern Ireland being part of the UK.

Sinn Fein representatives do sit in the Irish Parliament, the Dail, as well as the Northern Ireland Assembly.

James Landale
Diplomatic correspondent

Image source, PA

Boris Johnson has used the reshuffle to consolidate his position as foreign secretary, gaining not only more senior ministers but also a greater say over foreign aid.

Before the election, the Foreign Office had only two mid-ranking ministers of state. Now it has five: Alan Duncan, Alistair Burt, Rory Stewart, Mark Field and Lord Ahmad of Wimbledon.

And crucially, Mr Stewart and Mr Burt are also both joint ministers at the Department for International Development. Before there was only one joint FCO/DFID minister, Lady Anelay who has now moved to the DExEU.

Another of the ministers, Mr Field, has a financial background and will focus on the new Prosperity Fund, a £1.3bn cross-government pot of aid money designed to encourage not just development but also business opportunities for the UK overseas.

In the Foreign Office, all this is seen as a sign that the £13bn that the government spends on foreign aid will be much more closely linked in future to the priorities of Mr Johnson and the FCO rather than just DFID. The aim would be to ensure that Britain's foreign aid budget is spent more on UK national interests as well as tackling global poverty.

This greater say over foreign aid will be seen by some MPs as part of the price Mr Johnson demanded for his continued support for Theresa May after the election.

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The World at One
BBC Radio 4

House of Commons
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Two Liberal Democrat MPs who have been re-elected in seats they lost in 2015 swear in.

Sir Ed Davey regained his former seat of Kingston and Surbiton from the Conservatives, while Sir Vince Cable regained Twickenham.

Both served in the coalition government from 2010 to 2015.

The government is unable to make a Commons statement on the Grenfell Tower blaze tragedy as Parliament isn't sitting following the general election.

But the Commons Speaker John Bercow says MPs will be allowed to question a minister on the subject, possibly tomorrow.

He told MPs: "Colleagues, it is not possible to treat that matter in the way that we otherwise would wish to do in the chamber today.

"The government is very sensitive to the concern that exists on this subject and my very clear understanding is that arrangements are in hand for a meeting with the relevant minister to take place within the precincts of the Palace of Westminster.

"That meeting can be attended by colleagues gravely concerned about this matter and no doubt questions can be put to the ministers and answers such as he or she is able to give can be provided. It will not be a proceeding of parliament."

Mr Bercow said he offered the condolences of every MP to the families and friends of the victims of this "unimaginable and horrific disaster".

The MP for Ross, Skye and Lochaber takes over from Angus Robertson who lost his seat at the election.

House of Commons
Parliament

Nigel Dodds, the leader of the DUP in Westminster, swears in after an election that could hand his party significant power in the Commons.

Image source, SNP

Ian Blackford, the MP for Ross, Skye and Lochaber, has been elected leader of the SNP group at Westminster.

He replaces Angus Robertson, who lost his seat in last week's general election.

Kirsty Blackman, MP for Aberdeen North, has been elected deputy leader of the group.

House of Commons
Parliament

"A Welsh bible and Welsh oath," says Labour MP Paul Flynn.

He takes the oath in English first, "as a republican by conviction and under protest".

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Parliament

Shadow defence secretary Nia Griffith swears in, in both English and Welsh.

She retained her seat of Llanelli with a 12,000 majority.

Image source, PA

Labour veteran Harriet Harman has called on the government to make a statement to the House of Commons tomorrow about the fire at Grenfell Tower in west London.

She claimed lessons had not been learned since the fatal fire at the Lakanal House tower block in her own Camberwell and Peckham constituency in 2009, in which six people died - and she called for a public inquiry to ensure such a tragedy doesn't happen again.

She said fire safety building regulations "need to be updated" far more regularly to keep up with the new materials being used by contractors - and fire services need to have sufficient resources to do regular checks.

She also said hospitals treating the injured need to have the resources to cope.

Kings College Hospital, for instance, was still treating some people who were injured in the recent terror attack at London Bridge and Borough market, she said.

Ms Harman said the priority was making sure the local council had the resources it needs to resettle the people who have lost their homes and possessions in the fire.

MPs can swear the oath on a sacred text such as the Bible or Koran, or they can make a solemn affirmation, which does not involve swearing by God.

The right to make an affirmation was granted by the Oaths Act 1888 following the campaign by 19th Century Liberal MP Charles Bradlaugh.

He was first elected as the MP for Northampton in 1880, when his attempt to affirm as an atheist led to his temporary imprisonment, fines for voting in the Commons illegally, and a number of by-elections at which he was repeatedly returned to his seat.

He was finally allowed to take an oath in 1886 and the bill allowing others to follow suit was eventually passed in 1888.

Jeremy Corbyn, leader of the opposition, affirms the oath to formally become an MP.