So far this year four cyclist have been killed on London's roads.
That's compared to 14 deaths in total last year - a figure which represented a 13% drop on the year before.
There were also 657 serious injuries last year, though no comparable figure has yet been compiled for this year to date.
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The 20-year-old was found fatally wounded on Roth Walk, near Finsbury Park, north London at around 3am on Saturday, Scotland Yard said.
Police have arrested a man wanted in connection with a burglary at the home of pensioner Richard Osborn-Brooks.
The rally comes after it emerged that the Home Office destroyed thousands of landing cards documenting the arrival of windrush-era migrants