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

Sadiq Khan has confirmed he “remains opposed” to a third runway at Heathrow Airport, putting him on a collision course with Chancellor Rachel Reeves. The mayor of London responded to Reeves’ announcement of the government’s backing for the UK’s only hub airport to expand its facilities during her economic speech on Wednesday.

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 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.

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

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.

Rachel Reeves has rejected criticism of the Government’s support to expand Heathrow Airport after she set out plans to remove barriers to growth in the hope of kickstarting the UK’s stuttering economy.

Reeves accused of ‘sacrificing nature and the climate’ with new growth plans - Environmental groups accuse chancellor of ‘dystopian’ announcement while Labour mayor of London Sadiq Khan hits out at ‘s

Londoners strongly support Heathrow building a third runway, a poll has shown, as the Government faces a row with Sadiq Khan over the plan. More than half of people in the capital (56%) surveyed said they were in favour of the expansion, which Chancellor Rachel Reeves on Wednesday announced the Government would back.

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 tells Sadiq Khan he can't block Heathrow's third runway as she names target date - Green campaigners warn of ‘costly mistake’ on airport expansion that will take decades and drive up greenhouse