Conservative Party conference gets under way in Manchester
The PM tells the BBC's Andrew Marr cuts to in-work tax credits will go ahead
David Cameron also says he would be prepared to use Britain's nuclear weapons
Thousands of people attend an anti-austerity protest near the conference venue
The Andrew Marr Show
Tory leadership fatigue is already setting in. Times journalist and former Tory MP Matthew Parris and Helen Lewis, from the New Statesman talk about a "three year beauty contest" to succeed David Cameron.
It's prompted by a Mail on Sunday profile of George Osborne, external, in which he reveals his fondness for gangster rap and tells how his son almost drowned when he was three.
Coming up...
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The prime minister tweets...
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Image source, PADavid Cameron has promised to increase Britain's military capability to fight Islamic State militants in Iraq and Syria, including a doubling of the RAF's fleet of drones.
The prime minister also told the Sunday Telegraph, external the UK would spend hundreds of millions of pounds on state-of-the-art equipment for special forces.
He said it was essential to meet the terrorist threat facing the UK.
Last month, Mr Cameron announced an RAF-operated drone had killed two Britons linked to IS in Syria, describing the action as an "act of self defence".
Tens of thousands of people are expected at the TUC national rally and march in Manchester later. Buses are travelling from all round the country.
TUC General Secretary Frances O’Grady will tell marchers that the Trade Union Bill is proof that the government is not on the side of working people.
Hello and welcome from a grey and overcast Manchester on the first day of the Conservative Party conference. Stick with us for live coverage in text and video of David Cameron's appearance on the Andrew Marr show. Unite trade union leader Len McCluskey is the other big political guest.