Heathrow expansion: Breaching M25 to build third runway would be costly and could 'derail' plans says British Airways boss

Willie Walsh, head of British Airways parent company IAG, has warned breaching the M25 to build a third runway would increase costs and delay the scheme

from getsurrey - News http://www.getsurrey.co.uk/news/surrey-news/heathrow-expansion-breaching-m25-build-13090073