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.

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