The government could be forced to re-run its public consultation on the expansion of Heathrow after the 2M coalition of opponents sent legal papers to the high court requesting a judicial review of the decision.
The group of councils, Green groups and residents says a third runway and sixth terminal would break regulations on noise, air quality and carbon emissions while the economic case was never proven.
The Department for Transport said it stood by its decisions.
08/04/09 Independent 12