Independent (UK): Councils opposed to a third London runway threatened legal action yesterday after Ruth Kelly, the Transport Secretary, provoked fury by signalling a massive expansion of Heathrow. Environment groups accused Gordon Brown of hypocrisy for claiming to be leading the world in combating climate change four days before consulting on an expansion of aviation in his own backyard. The Government’s plans were backed in a move that appeared to be co-ordinated by all sides of the …