The cyclist who died in a road accident in Holborn on Monday has been named. He was 54 year old Alan Neve from Poplar.
The driver of the tipper lorry - a 51-year-old man - was arrested on suspicion of causing death by careless driving and taken into custody at a north London police station. He was bailed to return in October.
Anyone with any information should call the Road Death Investigation Unit witness line on 020 8998 5319.
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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.
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The rally comes after it emerged that the Home Office destroyed thousands of landing cards documenting the arrival of windrush-era migrants