Campaigners fighting fire station closures claim to have unearthed a major flaw in the plans.
New figures reveal that, in 40 neighbourhoods across the capital, firefighters will reach emergencies outside the official response time.
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Vlogging from her home in London she has become a YouTube sensation, so successful she has just published her first book.
Health union workers were due to walk out on Thursday in a dispute over pay.
Rail services through Farringdon are being delayed again tonight as engineers carrying out safety checks.