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

Commentary: The battleground on expansion of the west London airport will be climate change not air pollution or noise blighting the lives of local residents

Rachel Reeves is facing fierce opposition within Labour over her plans for a third runway at Heathrow Airport.

Sadiq Khan has confirmed he “remains opposed” to a third runway at Heathrow Airport, putting him on a collision course with Rachel Reeves.

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.

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

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

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

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,

Justine Bayley lives in Harmondsworth, a village in Hillingdon in west London, which would be partially demolished to make way for a third runway at Heathrow Airport. She told BBC London the expansion plan isn't "realistic" when the mayor of London has pledged to reduce pollution and noise.

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