BBC Radio 5 Live

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Shadow home secretary Yvette Cooper tells Radio 5 live: "We think there is a significant problem with dodgy employers and agencies who exploit immigration to undercut wages and jobs.

"That's really unfair on everyone. It drives down pay and conditions for local workers. You also have people who've come to Britain being exploited, and responsible businesses also end up getting a bad deal and being undercut."

BBC Radio 4 Today

Former SNP leader Alex Salmond says it is most likely the SNP will support Labour on a "vote by vote" basis.

That's not a formal coalition, nor what is more commonly known as a confidence and supply arrangement, where one party agrees to support another on important votes.

Mr Salmond suggests a confidence and supply arrangement is "possible" but he says "more probable, more likely is a vote by vote arrangement...I don't accept that that sort of arraangement can't bring about good government".

It is "foolish" for Mr Milband to rule out doing any deal with the SNP, Mr Salmond adds.

BBC Radio 4 Today

Alex Salmond expects the SNP to take part in the “vast majority of votes” in the House of Commons, as they are likely to have a financial impact on Scotland. But he says the SNP would be reluctant to interfere in votes that would not have an impact on Scotland. “I’m a great enthusiast for the people of England to have the right to determine and to judge their own legislation,” he says.

Conservatives and Lib Dems proposals that, for example, the SNP should not be able to vote on issues such as income tax “when key aspects of income tax are still going to be controlled by the chancellor of the exchequer, is not just fundamentally unfair, it’s fundamentally wrongheaded, and up with that we shall not put”.

BBC Radio 4 Today

Former Scottish National Party (SNP) leader Alex Salmond is on the Today programme talking about what might happen in the likely event of a hung parliament after the 7 May poll.

Mr Salmond says the SNP will try to move the country away from austerity economics, to “lend a hand to progressive politics” across the UK, and ensure that promises to Scotland are honoured.

He adds that he has some experience in working in a minority government, and had to work with the Lib Dems and Labour in order to scrap university tuition fees on the one hand, and NHS prescription charges on the other.

BBC Radio 4 Today

Deputy Lib Dem leader Sir Malcolm Bruce has warned that Scotland could find itself outside of any government if it votes overwhelmingly for the SNP at the election. He told BBC Radio 4's Today programme: "We are finding that people are voting tactically because if you take these polls all the way through, Scotland could effectively put itself out of reach of being part of any government, because we have elected nobody of the governing party, whatever it is. That's not good for Scotland."

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Scottish Labour leader Jim Murphy is also set to lose his seat according to the polling from Lord Ashcroft. Mr Murphy is nine points behind his SNP opponent in his constituency of East Renfrewshire, according to the data.

And Shadow Foreign Secretary Douglas Alexander is also trailing his SNP opponent by an 11 point margin in his neighbouring constituency of of Paisley and Renfrewshire South.

Former Lib Dem leader Charles Kennedy is behind the SNP candidate by 15 points in Ross, Skye and Lochhaber.

And business minister Jo Swnson is behind the SNP by 11 points in East Dunbartonshire.

BBC Radio 4 Today

Lib Dem deputy leader Sir Malcolm Bruce told BBC Radio 4's Today programme earlier that the Lib Dems are not facing voter retreat at the election.

"The polls still have an awful lot of people undecided. There are also massive regional variations, and indeed, constituency variations."

Nevertheless, he says: "We are concentrating our resources, because we do recognise the challenges we're up against, in the seats we hold, and one or two others."

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Sir Malcolm Bruce, deputy leader of the Liberal Democrats, is standing down as a Scottish MP. But he may not be the only Lib Dem who doesn't return to Westminster after 7 May.

The Liberal Democrats are falling significantly behind in several Scottish seats according to polling conducted by the former Conservative peer Lord Ashcroft. The poll shows Lib Dem heavyweights Jo Swinson and former party leader Charles Kennedy trailing their Scottish Nationalist opponents.

BBC Breakfast

With only two days left to register to vote, external - the deadline is 20 April - Andrew Scallan (left) of the Electoral Commission says advertising for voter registration works, and that there have been spikes in registration during leaders TV debates.

Lee Jasper (right), a campaigner for black, asian and ethnic minority votes, says people feel disenfranchised by Westminster party politics.

"Look, it is vitally important we do vote, particularly in this election, which will be the tightest election for some time," he says. "If you're not voting, then you will be subjected to the will of those who do."