Hundreds of thousands of people took to the streets last time London was visited by the Formula One travelling circus back in July 2004.
During the event former F1 World Champion Nigel Mansell threw his support behind the idea of a London race, saying that if it were to become a reality "it would be one of the best street circuit races in the world":
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Muslim leaders condemned the "heinous and appalling" Westminster terror attack.
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Acting Commissioner Craig Mackey led new policemen and women in paying their respects at a passing-out parade in Hendon, north-west London.