These pictures show the scene in north London shortly after the collision. The cyclist is still in a critical condition in hospital.
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The man suffered head injuries after falling from Westminster Bridge and landing on concrete steps.
The average temperature for this time of year in London is 16C, the weekend will be seven degrees above average.
Nearly 50 people were forced from their homes as London Fire Brigade cordoned off the area around Brickfield Cottages, in Plumstead.