Q&A: Heathrow expansion – what happens next

Decision to build third runway has been announced but there are still obstacles to overcome before project takes flightSix years after it overturned plans to build a third runway at Heathrow, the government has announced a renewed expansion of London’s main airport. A cabinet subcommittee of ministers, excluding some notable opponents of Heathrow, met on Tuesday morning and decided to endorse the verdict of the Airports Commission by approving a third runway, rather than choose another sho