London Mayor Boris Johnson said: "We've all been elected on a manifesto to stop Heathrow expansion and say no to a third runway and it may be that the reshuffle had absolutely nothing to do with Heathrow.
"I'm perfectly prepared to accept that, if the government will now end the uncertainty and rule out a third runway both now and in the future."
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Research into property prices has found London has more areas with an average price of more than £1m than anywhere else in the UK.
A permanent memorial will be unveiled today in memory of murdered Middleton soldier Lee Rigby.
The desk and chair where Charles Dickens sat to write his final novels have been bought for the nation using a national heritage grant.