Boris Johnson has been responding to criticism that an airport in the Thames Estuary won't be 'commercially viable'. A study for the commons Transport Committee estimated that the project would need a massive public subsidy. But the Mayor isn't budging on his island idea. Sarah Saunders reports
More top news
Murder investigation launched in Belsize Park after a woman dies in hospital from injuries.
Police launch a manhunt for an escaped violent sex offender after a boy was attacked and woman had her hair 'sprayed red' in west London.
A man has been rushed to hospital after a stabbing in broad daylight in West Kensington.