The London Mayor is sharpening his knives for the long-delayed third runway – but is this a matter of policy or political manoeuvring?

Rachel Reeves has told London Mayor Sadiq Khan she is certain to defeat his bid to sabotage her Heathrow expansion scheme. Asked if Mr Khan was able to stop to her third runway plan, the Chancellor replied: ‘No.’ The capital’s Labour mayor could mount a legal challenge, she said, but he would not prevail in the end.

Sadiq Khan has vowed to block the third Heathrow runway "with any tool in the toolkit" in a rift with the government after Rachel Reeves said she would back plans.

Labour backlash over Heathrow as Sadiq Khan and MPs hit out at 'hugely damaging' 'mistake’ - Energy secretary Ed Miliband, who threatened to resign from Gordon Brown’s government over expansion of the west London airport,

Heathrow expansion would undermine London's 'clean air' progress - The mayor also cast doubt on the project’s economic benefits and said it would worsen noise levels suffered by west Londoners

Reeves made an announcement on Heathrow during a major speech outlining Labour's plans to deliver economic growth.

London mayor Sadiq Khan 'remains opposed' to a third runway at Heathrow, amid rumours of tension within the Labour party over the plans.

Rachel Reeves has confirmed the Government will support building a controversial third runway at Heathrow and other airport expansion plans despite fierce opposition from some in her own party. In a speech in Oxfordshire on Wednesday,

Stars align for Heathrow third runway but Supreme Court may put the fast-warming planet first - Commentary: The battleground on expansion of the west London airport will be climate change not air poll

There are differences in opinion among Labour big beasts over the policy that's promising to deliver long overdue economic growth.

"Three-quarters of the village would be demolished. It wouldn't be a viable community. Pubs, the shops will go because there aren't enough customers. "The bus won't come up on the main road because there's a runway in the way.