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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More than 200 people are expected at London's first Muslim Youth Festival which will look at stopping the radicalisation of young Britons.
A report by a London university has found that chief police officers use "predatory" behaviour towards junior staff.