Transport for London's latest figures state that for the first quarter of 2011/2012 the average traffic speed on major London roads for the 12 hours between 7am to 7pm was 19.33 mph and over the same period was 8.98 mph across Central London.
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Tributes have been left in Caledonian Road in Islington where 15-year-old Alan Cartwright died after he was stabbed.
A boy has died after he and his friends were attacked while cycling in north London.
Three police officers have been praised for their actions in helping a four-year-old boy who had become stuck on a roof in Newham.