The government have confirmed it has decided on a third runway at Heathrow. Boris says he will oppose it. Zac will be making a statement this evening:

Following the Government’s catastrophic Heathrow announcement, I will be meeting my constituents later today before making a statement.

— Zac Goldsmith (@ZacGoldsmith) October 25, 2016

“No ifs, no buts” – Zac said if the government gave Heathrow the green light he would call a by-election…