BBC: "Third runway: Boris Johnson warns of 'stealthy U-turn' on Heathrow"

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"The Mayor of London, Boris Johnson, has warned of a 'stealthy U-turn' by the government on the third runway at Heathrow.

"Speaking on The World At One Mr Johnson, who favours the building of a new airport on the Thames estuary, said it was important that the government 'level with Londoners about their intentions'."