Heathrow Airport chief executive Colin Matthews says: "We say a hub (airport) matters but actually does it matter to the country as a whole?
"The economic analysis we published today suggests it really does."
More top news
A 25-year-old man has been arrested for urinating on the Cenotaph in Whitehall and pulling down commemorative wreaths.
As many as 60 bands in beautiful costumes are taking part in the grand finale of the Notting Hill Carnival parade today.
Smoke was seen for miles around today after a Wetherspoon pub caught fire in south east London.