John Pienaar
Pienaar’s Politics

Caroline Flint says Labour is not "a pressure group and exists to win elections". The leadership team elected in September need to "push the buttons of the country" not just the party, she tells 5Live. Why is she standing? She says she will complement whoever is elected leader as she doesn't share the same background as any of them - having been a single parent, lived on benefits and not having studied at Oxbridge. 

John Pienaar
Pienaar’s Politics

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On Pienaar's Politics, Labour MP Caroline Flint - a deputy leadership contender - says she sympathises with most of those who took part in Saturday's anti-austerity demonstrations and she agrees with the passion people feel about threats to essential public services. Pictured above with candidate for her party's top job Yvette Cooper, Ms Flint says some of those who marched in London and Glasgow thought there should be no cuts, which she disagrees with, because you need to "create wealth" to fund public services like schools and hospitals. 

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The Liberal Democrats have launched an investigation into allegations that leadership contender Norman Lamb's campaign team may have breached breached data protection rules. 

Two members of his team are understood to have been dropped as a result of the claims and the party is considering whether to refer the matter to the Information Commissioner's office. 

The Independent on Sunday, external has reported accusations from some party members that they were polled by telephone by someone they believed to be from Lib Dem HQ rather than Mr Lamb's campaign team. It is claimed that the line of questioning in the apparent "opinion poll" may have gone into territory which could have cast doubt on rival leadership contender Tim Farron's suitability. 

A Liberal Democrat spokesperson said:  

It's understood there will be a formal discussion with the party's data controller tomorrow regarding a potential referral to the Information Commissioner.

John Pienaar
Pienaar’s Politics

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Over to 5live where former chancellor Ken Clarke is talking about the eurozone crisis and the future EU referendum. He rejects claims that Greece was allowed to join the European Union in the first place, not because it was suitable, but because of a "great Europhile plot". He suggests that Greece wanted to show it was a growing player in Europe and that details about the size of its deficit were "fiddled. Greece and certain other countries, he suggests, were "never ready" to join. 

Sky News

Asked what experience he has of enterprise and business, Andy Burnham says he worked briefly in the private sector after leaving university and that his wife set up her own business. Dermot Murnaghan suggests that he should not rely on his spouse's credentials, but the shadow health secretary goes onto to say that he is "rooted" in his Leigh constituency and is the man to put Labour's "feet back on the ground and get the party out of the Westminster bubble". 

Sky News

Andy Burnham says he will outline a new "rent-to-own" policy on housing next week, which would enable people to use a deposit to build up equity. He says Labour has, for the best part of a decade, not "looked and sounded like a party that people can relate to", citing the 2009 abolition of the 10p tax rate by Gordon Brown as a "toxic" moment for the party which indicated it did not support people "wanting to get on". 

Sky News

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Mr Burnham suggests the government may not have a mandate to cut a further £12bn from the welfare bill because the Conservatives did not make it clear at the election what would have to be axed. David Cameron, he argues, has a "brutal plan" which will "harm many vulnerable people" and could see the "destruction of public services".

Sky News

Labour leadership contender Andy Burnham is now on Sky News. Asked why he was not on Saturday's anti-austerity march, he said he had other commitments, including a Labour hustings in Stevenage. He says there have to be some cuts to reduce the deficit but he would approach it in a different way from George Osborne, saying the chancellor is trying to "frighten" people by talking of billions' worth of cuts without giving details. 

Sky News

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We now turn our focus to the Dermot Murnaghan show on Sky News and Pienaar's Politics on BBC Radio 5 live. Former Foreign Office minister Baroness Warsi tells Sky News there is a "tremendous amount of work" being done to tackle extremism and fight Islamic State, saying Muslim communities are the "first line of defence" because it is their children who are being "preyed upon". Asked whether she agreed with David Cameron, who said on Friday that some British Muslims were "quietly condoning" IS ideology, she says she respects the prime minister but believes his remarks were "ill-judged" and he had "lost sections of Britain's Muslim population" as a result. She suggests the remarks were more about "generating a headline" and gave the impression that Britain's three million Muslims were "part of the problem rather than part of the solution". 

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Labour leadership contender Jeremy Corbyn has had to pull out of his Sunday Politics appearance because of a "family emergency", host Andrew Neil tweets, external. It's "disappointing", says Neil, but he hopes he'll be able to get him on next week. 

The Andrew Marr Show

That's it for Michael Fallon's interview. Andrew Marr ends the show by inviting John Cleese and Tony Hall back onto the sofa - the defence secretary doesn't join them. We learn that the BBC boss does not have a veto on any aspects of the satirical comedy WIA, set at Broadcasting House, and "nor should I", he adds. 

The Andrew Marr Show

Michael Fallon rejects claims that the UK has downgraded investment in military hardware and technology over the past five years, listing all the projects that are being taken forward. He says he is "proud" that the UK is currently spending 2% of its income on defence and, asked about the future, says he is committed to upholding the government's manifesto commitments, including not reducing army numbers further. He says you need a strong economy to support a strong defence. He says the contrast with countries like Greece could not be stronger, saying the UK can "cut the deficit while building aircraft carriers" at the same time.

The Andrew Marr Show

Onto Russia. Defence Secretary Michael Fallon says there has been a lot of "sabre-rattling" by Vladimir Putin and the international community has to be strong in response. He says the UK has committed to support "continuous military exercises" by Nato in the Baltics and will commit 4,000 troops to the region over the next two years. 

The Andrew Marr Show

Moving onto the fight against Islamic State, Mr Fallon says the UK is "playing its part" in the military engagement against it in Iraq, saying the UK is second largest contributor to coalition air strikes, which are taking place "day and night". There has been an "ebb and flow" in the conflict, which he admits is going to be a "long one".  

The Andrew Marr Show

What is needed is "better pooling of intelligence" by European countries and their allies, Michael Fallon says. There also needs to be a "political settlement" in Libya, he says, adding that the UK's international aid could be used to stabilise countries and reduce the need for people to flee.