Prime Minister Andy Burnham refuses to back third runway at Heathrow

Prime Minister Andy Burnham has refused to say whether he backs a third runway at Heathrow after it emerged that the expansion of the London airport could be delayed by up to four years.

Burnham - who, as Mayor of Greater Manchester, opposed the project - told Sunday With Laura Kuenssberg: "I think principally, it's a matter for London and Londoners."

He added: "I think we ought to hear the voice of people there first. It's not right for me…