Brexit may delay third runway, warns Heathrow chief

Airport chief exec John Holland-Kaye voices concerns that post-Brexit government may halt the developmentThe boss of Heathrow has urged the government to back a third runway, as the fallout from the EU referendum threatens to halt the project.David Cameron was expected to approve the £17.6bn expansion next month, with the announcement followed swiftly by a Commons vote. However, that timetable is in doubt because of the prime minister’s resignation and the possibility his replacement