Mayor had been keeping his options open: but 'dirty tricks' speculation has forced his hand
PM urges Boris Johnson to stand for Parliament at the 2015 general election
Osborne gives Scotland more fiscal powers in 'historic moment' but SNP insists it is 'nothing new'
Chancellor defends Help to Buy scheme but says more needs to be done to tackle housing imbalance
From growth to bust: if ever proof were needed that a week is a long time in politics, this was it
Treasury figures saying we're actually better off are questionable: can a blunt Liverpudlian do better?
Good economic news for George Osborne means whispering campaign against Balls will continue
Anything that damages Nick Clegg is a boost for Ed Miliband as polls continue to back Labour
Press agrees rise is needed, but says timing of announcement is attack on Ed Miliband
The value of taxpayer-owned banks drops by £1bn – and Osborne outflanks him with £7 minimum wage support