London Cycling Campaign is warning internet sites which don't require identification are becoming popular for thieves selling on bikes. Often, a thief won't post a real photo of the bike, and will expect a quick sale, often conducted by mobile phone and on a street corner or outside a pub.
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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.
A man from north London has been jailed for 27 years for owning guns and conspiring to supply drugs. Two others were also jailed.