George Osborne's big announcement is expected at 12.30pm after Prime Minister's Questions.
The former TV presenter won her hotly contested Merseyside seat in 2010 with a 2,436 majority.
The prime minister, who has been MP for Witney since 2001, says he loves serving his constituents.
The Labour leader confirmed there would be no SNP ministers in a government he leads.
Grant Shapps, who is helming the Tory General Election campaign , is facing calls from Labour for him to be sacked from the government.
Exclusive: Labour's shadow business secretary talked with IBTimes UK in Birmingham.
Ed Miliband attacks David Cameron again, while promises to make a 'better Britain', at pre-election conference.
UKIP leader Farage claims in his memoirs that the 'the NHS almost killed me' due to undiagnosed testicular cancer
Powerful friends in the media to the rescue for Miliband?
Following the Crisis conference both parties announce plans to tackle homelessness.
Critics say Ed Miliband needs all the help he can get to win Downing Street.
Political commentator James Kelly believes John Major should blame himself for the SNP's popularity,
Green Party's financial spokesperson says lack of regulation is to blame for the 2008 financial crisis
The Ukip leader made the bold prediction during an appearance on ITV's Loose Women.
The study also found that Charles Kennedy and Alistair Darling are set to lose their seats.
The Conservative leader said he will only take part in one 90-minute long debate.
Channel 4 and Sky offer the Tory and Labour leaders the option of a 30 April debate.
The Liberal Democrat leader is expected to make a major speech alongside Sir Richard Branson.
Labour leader is reaching the parts other politicians cannot.
The Tory Mayor of London also revealed that he struggles to get his own TV working.
YouGov says the Conservatives are now on 35% against Labour's 32% in the opinion polls.
Ladbrokes' head of political betting spoke to IBTimes UK at Ukip's spring conference in Margate.