Prime Minister's Questions LIVE blog

12:03 The PM is questioned by a backbencher on his claim that defence spending increased when he gave evidence to the Chilcot enquiry. Mr Brown conceded that defence spending increased in cash terms but not in real terms, raising shouts from the opposition.

12:00 PM pays tribute to three soldiers killed in Afghanistan in the last three weeks and to Labour MP Ashok Kumar, who died unexpectedly last week.

What to look out for

The Conservatives have been making much in recent days of the Labour party’s connections with trade union Unite and its political director Charlie Wheelan. Unite is the union behind the coming British Airways strike. It has also provided the Labour party with 25 per cent of its funding over the last few years, saving it from bankruptcy.

The union has also been accused of “buying” influence by funding the re-election campaign of various cabinet ministers, including Gordon Brown himself. A significant number of Labour candidates are also believed to be members of Unite.

Brown’s closeness to Charlie Wheelan may also come under scrutiny, with Mr Wheelan being a regular visitor to Number 10 and a former advisor to the Prime Minister. He was also involved with the Damian McBride email scandal.

The Conservatives attack comes after an embarrassing period in which the party was accused of being in the pocket of Lord Ashcroft, a non-dom who has been funding the Conservative party and received his place in the house of Lords thanks to the previous leader William Hague.

Lord Ashcroft was accused of failing to honour a pledge to Mr Hague to become a resident in Britain for tax purposes. Neither Mr Hague nor Mr Cameron knew of Mr Ashcroft’s tax status until recently, casting doubt on their judgement.

The economy is likely to get a mention after figures released today showed unemployment falling by 33,000 people to around 2.45 million. While the Conservatives and Lib Dems are unlikely to bring it up, Mr Brown may use it as evidence that his government’s policies are helping Britain emerge from the recession.

Questions may also be asked about the government’s Children’s Commissioner who has come under fire for describing the brutal murder of James Bulger as “unpleasant”. She has subsequently apologised, although the mother of James Bulger called for her to be sacked for her comments.