Heathrow expansion: Zac Goldsmith to resign over third runway decision - live

Decision will trigger tricky by-election for ConservativesQ&A: airport expansion in London – what will happen next 12.29pm BSTSomewhat incredibly, the government has suggested the third runway at Heathrow would help reduce carbon emissions:Gotta admire the chutzpah of a government that spins a third runway at Heathrow as good news for carbon emissions https://t.co/jAA7ADARkp pic.twitter.com/keT3w1vHOJGovernment also concludes expanded Heathrow will meet legal air pollution limits, due