There will be no firm decisions on UK airport expansion before the next general election, the Government has confirmed.
A future airport policy independent commission, to be chaired by former Financial Services Authority chairman Sir Howard Davies, will not publish its final report until the summer of 2015, the Government said.
A decision on whether to back any of the recommendations in the commission's last report will be taken by the next government, Transport Secretary Patrick McLoughlin said.
So the row over whether Heathrow should be extended or whether a new airport should be built in the Thames Estuary will drag on.
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In a wide-ranging Peston on Sunday interview, he said Parliament security needs reviewing and the PM's counter-terror strategy is flawed.
The terror attack carried out by Khalid Masood at Westminster that left four people dead lasted less than two minutes say police.
Two knives were found at the scene in Islington, North London, and the suspects fled on foot before being arrested.